18100160166972 has 48 divisors (see below), whose sum is σ = 47876267116160. Its totient is φ = 5276160047808.

The previous prime is 18100160166971. The next prime is 18100160167003. The reversal of 18100160166972 is 27966106100181.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18100160166971) 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, 3053330398 + ... + 3053336325.

Almost surely, 2^{18100160166972} is an apocalyptic number.

18100160166972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18100160166972 is an abundant number, since it is smaller than the sum of its proper divisors (29776106949188).

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

18100160166972 is a wasteful number, since it uses less digits than its factorization.

18100160166972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106666762 (or 6106666760 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 18100160166972 in words is "eighteen trillion, one hundred billion, one hundred sixty million, one hundred sixty-six thousand, nine hundred seventy-two".