163453312 has 32 divisors (see below), whose sum is σ = 355235400. Its totient is φ = 74296320.

The previous prime is 163453259. The next prime is 163453319. The reversal of 163453312 is 213354361.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163453319) 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, 56637 + ... + 59452.

Almost surely, 2^163453312 is an apocalyptic number.

It is an amenable number.

163453312 is an abundant number, since it is smaller than the sum of its proper divisors (191782088).

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

163453312 is a wasteful number, since it uses less digits than its factorization.

163453312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116114 (or 116102 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 163453312 is about 12784.8860769269. The cubic root of 163453312 is about 546.7614773754.

It can be divided in two parts, 1634 and 53312, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 163453312 in words is "one hundred sixty-three million, four hundred fifty-three thousand, three hundred twelve".