201457665152 has 64 divisors (see below), whose sum is σ = 422566783200. Its totient is φ = 95404253184.

The previous prime is 201457664987. The next prime is 201457665161. The reversal of 201457665152 is 251566754102.

It is a tau number, because it is divible by the number of its divisors (64).

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, 14203088 + ... + 14217264.

Almost surely, 2^201457665152 is an apocalyptic number.

It is an amenable number.

201457665152 is an abundant number, since it is smaller than the sum of its proper divisors (221109118048).

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

201457665152 is a wasteful number, since it uses less digits than its factorization.

201457665152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20053 (or 20041 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 201457665152 in words is "two hundred one billion, four hundred fifty-seven million, six hundred sixty-five thousand, one hundred fifty-two".