163154532 has 12 divisors (see below), whose sum is σ = 380693936. Its totient is φ = 54384840.

The previous prime is 163154527. The next prime is 163154549. The reversal of 163154532 is 235451361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 163154532.

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, 6798094 + ... + 6798117.

Almost surely, 2^163154532 is an apocalyptic number.

163154532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163154532 is an abundant number, since it is smaller than the sum of its proper divisors (217539404).

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

163154532 is a wasteful number, since it uses less digits than its factorization.

163154532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13596218 (or 13596216 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 163154532 is about 12773.1958412920. The cubic root of 163154532 is about 546.4281282971.

The spelling of 163154532 in words is "one hundred sixty-three million, one hundred fifty-four thousand, five hundred thirty-two".