15198264564 has 48 divisors (see below), whose sum is σ = 40644912000. Its totient is φ = 4329910656.

The previous prime is 15198264563. The next prime is 15198264583. The reversal of 15198264564 is 46546289151.

It is a super-2 number, since 2×15198264564² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15198264563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229899 + ... + 288530.

It is an arithmetic number, because the mean of its divisors is an integer number (846769000).

Almost surely, 2^15198264564 is an apocalyptic number.

15198264564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15198264564 is an abundant number, since it is smaller than the sum of its proper divisors (25446647436).

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

15198264564 is a wasteful number, since it uses less digits than its factorization.

15198264564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518792 (or 518790 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The spelling of 15198264564 in words is "fifteen billion, one hundred ninety-eight million, two hundred sixty-four thousand, five hundred sixty-four".