151998529536 has 576 divisors, whose sum is σ = 526262826960. Its totient is φ = 42998169600.

The previous prime is 151998529531. The next prime is 151998529559. The reversal of 151998529536 is 635925899151.

151998529536 is a `hidden beast` number, since 1 + 5 + 1 + 9 + 98 + 5 + 2 + 9 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×151998529536² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (26244000) is a multiple of the sum of its prime factors (162).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151998529531) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1504935886 + ... + 1504935986.

Almost surely, 2^151998529536 is an apocalyptic number.

151998529536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151998529536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263131413480).

151998529536 is an abundant number, since it is smaller than the sum of its proper divisors (374264297424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151998529536 is an frugal number, since it uses more digits than its factorization.

151998529536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 113 counting only the distinct ones).

The product of its digits is 26244000, while the sum is 63.

The spelling of 151998529536 in words is "one hundred fifty-one billion, nine hundred ninety-eight million, five hundred twenty-nine thousand, five hundred thirty-six".