163089992 has 16 divisors (see below), whose sum is σ = 329316540. Its totient is φ = 75272256.

The previous prime is 163089973. The next prime is 163090001. The reversal of 163089992 is 299980361.

163089992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138627076 + 24462916 = 11774^2 + 4946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783983 + ... + 784190.

Almost surely, 2^163089992 is an apocalyptic number.

It is an amenable number.

163089992 is an abundant number, since it is smaller than the sum of its proper divisors (166226548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163089992 is a wasteful number, since it uses less digits than its factorization.

163089992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568192 (or 1568188 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 163089992 is about 12770.6692072107. The cubic root of 163089992 is about 546.3560675291.

The spelling of 163089992 in words is "one hundred sixty-three million, eighty-nine thousand, nine hundred ninety-two".