15534164464 has 160 divisors (see below), whose sum is σ = 37741584384. Its totient is φ = 6030581760.

The previous prime is 15534164461. The next prime is 15534164497. The reversal of 15534164464 is 46446143551.

It is a self number, because there is not a number n which added to its sum of digits gives 15534164464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15534164461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23081632 + ... + 23082304.

Almost surely, 2^15534164464 is an apocalyptic number.

15534164464 is a gapful number since it is divisible by the number (14) 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 15534164464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18870792192).

15534164464 is an abundant number, since it is smaller than the sum of its proper divisors (22207419920).

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

15534164464 is a wasteful number, since it uses less digits than its factorization.

15534164464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 969 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The spelling of 15534164464 in words is "fifteen billion, five hundred thirty-four million, one hundred sixty-four thousand, four hundred sixty-four".