16235157504 has 96 divisors (see below), whose sum is σ = 43545116160. Its totient is φ = 5378973696.

The previous prime is 16235157427. The next prime is 16235157511. The reversal of 16235157504 is 40575153261.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018137 + ... + 1033959.

It is an arithmetic number, because the mean of its divisors is an integer number (453594960).

Almost surely, 2^16235157504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16235157504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21772558080).

16235157504 is an abundant number, since it is smaller than the sum of its proper divisors (27309958656).

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

16235157504 is a wasteful number, since it uses less digits than its factorization.

16235157504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16015 (or 15995 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 16235157504 in words is "sixteen billion, two hundred thirty-five million, one hundred fifty-seven thousand, five hundred four".