161079264 has 72 divisors (see below), whose sum is σ = 482194440. Its totient is φ = 50865408.

The previous prime is 161079251. The next prime is 161079329. The reversal of 161079264 is 462970161.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9247 + ... + 20190.

It is an arithmetic number, because the mean of its divisors is an integer number (6697145).

Almost surely, 2^161079264 is an apocalyptic number.

It is an amenable number.

161079264 is an abundant number, since it is smaller than the sum of its proper divisors (321115176).

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

161079264 is a wasteful number, since it uses less digits than its factorization.

161079264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29472 (or 29461 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 161079264 is about 12691.7005952709. The cubic root of 161079264 is about 544.1014444611.

The spelling of 161079264 in words is "one hundred sixty-one million, seventy-nine thousand, two hundred sixty-four".