162978922 has 16 divisors (see below), whose sum is σ = 262193760. Its totient is φ = 75742992.

The previous prime is 162978917. The next prime is 162978931. The reversal of 162978922 is 229879261.

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, 38448 + ... + 42475.

It is an arithmetic number, because the mean of its divisors is an integer number (16387110).

Almost surely, 2^162978922 is an apocalyptic number.

162978922 is a deficient number, since it is larger than the sum of its proper divisors (99214838).

162978922 is a wasteful number, since it uses less digits than its factorization.

162978922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80997.

The product of its digits is 217728, while the sum is 46.

The square root of 162978922 is about 12766.3198299275. The cubic root of 162978922 is about 546.2320101527.

The spelling of 162978922 in words is "one hundred sixty-two million, nine hundred seventy-eight thousand, nine hundred twenty-two".