18695953016 has 16 divisors (see below), whose sum is σ = 37751443800. Its totient is φ = 8628901344.

The previous prime is 18695952991. The next prime is 18695953019. The reversal of 18695953016 is 61035959681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18695953019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89884286 + ... + 89884493.

Almost surely, 2^18695953016 is an apocalyptic number.

It is an amenable number.

18695953016 is an abundant number, since it is smaller than the sum of its proper divisors (19055490784).

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

18695953016 is a wasteful number, since it uses less digits than its factorization.

18695953016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179768798 (or 179768794 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 18695953016 in words is "eighteen billion, six hundred ninety-five million, nine hundred fifty-three thousand, sixteen".