163957032 has 48 divisors (see below), whose sum is σ = 454888980. Its totient is φ = 53318400.

The previous prime is 163956997. The next prime is 163957043. The reversal of 163957032 is 230759361.

It can be written as a sum of positive squares in 2 ways, for example, as 118069956 + 45887076 = 10866^2 + 6774^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24819 + ... + 30722.

Almost surely, 2^163957032 is an apocalyptic number.

163957032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163957032 is an abundant number, since it is smaller than the sum of its proper divisors (290931948).

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

163957032 is a wasteful number, since it uses less digits than its factorization.

163957032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55594 (or 55587 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 163957032 is about 12804.5707464171. The cubic root of 163957032 is about 547.3225596256.

The spelling of 163957032 in words is "one hundred sixty-three million, nine hundred fifty-seven thousand, thirty-two".