15652690438 has 160 divisors (see below), whose sum is σ = 31493099520. Its totient is φ = 5827021200.

The previous prime is 15652690399. The next prime is 15652690453. The reversal of 15652690438 is 83409625651.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 15652690391 and 15652690400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 198135283 + ... + 198135361.

It is an arithmetic number, because the mean of its divisors is an integer number (196831872).

Almost surely, 2^15652690438 is an apocalyptic number.

15652690438 is an abundant number, since it is smaller than the sum of its proper divisors (15840409082).

15652690438 is an frugal number, since it uses more digits than its factorization.

15652690438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 15652690438 in words is "fifteen billion, six hundred fifty-two million, six hundred ninety thousand, four hundred thirty-eight".