161255467016 has 32 divisors (see below), whose sum is σ = 349710661440. Its totient is φ = 68276839488.

The previous prime is 161255466989. The next prime is 161255467039. The reversal of 161255467016 is 610764552161.

It is a happy number.

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, 17342111 + ... + 17351406.

It is an arithmetic number, because the mean of its divisors is an integer number (10928458170).

Almost surely, 2^161255467016 is an apocalyptic number.

It is an amenable number.

161255467016 is an abundant number, since it is smaller than the sum of its proper divisors (188455194424).

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

161255467016 is a wasteful number, since it uses less digits than its factorization.

161255467016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34693613 (or 34693609 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 161255467016 in words is "one hundred sixty-one billion, two hundred fifty-five million, four hundred sixty-seven thousand, sixteen".