160644939 has 32 divisors (see below), whose sum is σ = 265036800. Its totient is φ = 84281472.

The previous prime is 160644937. The next prime is 160644977. The reversal of 160644939 is 939446061.

It is not a de Polignac number, because 160644939 - 2¹ = 160644937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160644939.

It is not an unprimeable number, because it can be changed into a prime (160644937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52849 + ... + 55805.

It is an arithmetic number, because the mean of its divisors is an integer number (8282400).

Almost surely, 2^160644939 is an apocalyptic number.

160644939 is a deficient number, since it is larger than the sum of its proper divisors (104391861).

160644939 is a wasteful number, since it uses less digits than its factorization.

160644939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 160644939 is about 12674.5784545286. The cubic root of 160644939 is about 543.6119761710.

The spelling of 160644939 in words is "one hundred sixty million, six hundred forty-four thousand, nine hundred thirty-nine".