162998816 has 12 divisors (see below), whose sum is σ = 320903982. Its totient is φ = 81499392.

The previous prime is 162998807. The next prime is 162998831. The reversal of 162998816 is 618899261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 130051216 + 32947600 = 11404^2 + 5740^2 .

It is a super-2 number, since 2×162998816² = 53137228034803712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2546825 + ... + 2546888.

Almost surely, 2^162998816 is an apocalyptic number.

162998816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

162998816 is a deficient number, since it is larger than the sum of its proper divisors (157905166).

162998816 is an equidigital number, since it uses as much as digits as its factorization.

162998816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093723 (or 5093715 counting only the distinct ones).

The product of its digits is 373248, while the sum is 50.

The square root of 162998816 is about 12767.0989657009. The cubic root of 162998816 is about 546.2542344939.

The spelling of 162998816 in words is "one hundred sixty-two million, nine hundred ninety-eight thousand, eight hundred sixteen".