163442992 has 20 divisors (see below), whose sum is σ = 317518120. Its totient is φ = 81502848.

The previous prime is 163442989. The next prime is 163442999. The reversal of 163442992 is 299244361.

It is a super-2 number, since 2×163442992² = 53427223267824128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163442999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7413 + ... + 19540.

It is an arithmetic number, because the mean of its divisors is an integer number (15875906).

Almost surely, 2^163442992 is an apocalyptic number.

It is an amenable number.

163442992 is a deficient number, since it is larger than the sum of its proper divisors (154075128).

163442992 is a wasteful number, since it uses less digits than its factorization.

163442992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27340 (or 27334 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 163442992 is about 12784.4824689934. The cubic root of 163442992 is about 546.7499701197.

The spelling of 163442992 in words is "one hundred sixty-three million, four hundred forty-two thousand, nine hundred ninety-two".