162990992 has 20 divisors (see below), whose sum is σ = 316558236. Its totient is φ = 81298560.

The previous prime is 162990977. The next prime is 162991021. The reversal of 162990992 is 299099261.

It can be written as a sum of positive squares in 2 ways, for example, as 13075456 + 149915536 = 3616^2 + 12244^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363 + ... + 18834.

Almost surely, 2^162990992 is an apocalyptic number.

It is an amenable number.

162990992 is a deficient number, since it is larger than the sum of its proper divisors (153567244).

162990992 is a wasteful number, since it uses less digits than its factorization.

162990992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24626 (or 24620 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 162990992 is about 12766.7925494229. The cubic root of 162990992 is about 546.2454942228.

The spelling of 162990992 in words is "one hundred sixty-two million, nine hundred ninety thousand, nine hundred ninety-two".