17996053500 has 120 divisors (see below), whose sum is σ = 58712589936. Its totient is φ = 4798936800.

The previous prime is 17996053499. The next prime is 17996053519. The reversal of 17996053500 is 535069971.

17996053500 is a `hidden beast` number, since 1 + 7 + 9 + 9 + 605 + 35 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 181674 + ... + 262673.

Almost surely, 2^17996053500 is an apocalyptic number.

17996053500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17996053500 is an abundant number, since it is smaller than the sum of its proper divisors (40716536436).

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

17996053500 is a wasteful number, since it uses less digits than its factorization.

17996053500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444378 (or 444357 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The spelling of 17996053500 in words is "seventeen billion, nine hundred ninety-six million, fifty-three thousand, five hundred".