151581696 has 264 divisors, whose sum is σ = 504053280. Its totient is φ = 40255488.

The previous prime is 151581667. The next prime is 151581697. The reversal of 151581696 is 696185151.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151581697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2860006 + ... + 2860058.

Almost surely, 2^151581696 is an apocalyptic number.

151581696 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 151581696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252026640).

151581696 is an abundant number, since it is smaller than the sum of its proper divisors (352471584).

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

151581696 is a wasteful number, since it uses less digits than its factorization.

151581696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 84 counting only the distinct ones).

The product of its digits is 64800, while the sum is 42.

The square root of 151581696 is about 12311.8518509605. The cubic root of 151581696 is about 533.1903172085.

The spelling of 151581696 in words is "one hundred fifty-one million, five hundred eighty-one thousand, six hundred ninety-six".