165667272000 has 112 divisors (see below), whose sum is σ = 547033411392. Its totient is φ = 44177932800.

The previous prime is 165667271983. The next prime is 165667272061. The reversal of 165667272000 is 272766561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3427402 + ... + 3475401.

Almost surely, 2^165667272000 is an apocalyptic number.

165667272000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165667272000 is an abundant number, since it is smaller than the sum of its proper divisors (381366139392).

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

165667272000 is an equidigital number, since it uses as much as digits as its factorization.

165667272000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902833 (or 6902813 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 165667272000 in words is "one hundred sixty-five billion, six hundred sixty-seven million, two hundred seventy-two thousand".