163873152 has 64 divisors (see below), whose sum is σ = 483663600. Its totient is φ = 54623232.

The previous prime is 163873147. The next prime is 163873153. The reversal of 163873152 is 251378361.

163873152 is a `hidden beast` number, since 1 + 638 + 7 + 3 + 15 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163873153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20253 + ... + 27164.

Almost surely, 2^163873152 is an apocalyptic number.

163873152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163873152 is an abundant number, since it is smaller than the sum of its proper divisors (319790448).

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

163873152 is an equidigital number, since it uses as much as digits as its factorization.

163873152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47440 (or 47422 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 163873152 is about 12801.2949344978. The cubic root of 163873152 is about 547.2292074284.

It can be divided in two parts, 163873 and 152, that added together give a square (164025 = 405²).

The spelling of 163873152 in words is "one hundred sixty-three million, eight hundred seventy-three thousand, one hundred fifty-two".