163604124 has 72 divisors (see below), whose sum is σ = 454145328. Its totient is φ = 51321600.

The previous prime is 163604113. The next prime is 163604131. The reversal of 163604124 is 421406361.

163604124 is a `hidden beast` number, since 1 + 636 + 0 + 4 + 1 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11574 + ... + 21474.

It is an arithmetic number, because the mean of its divisors is an integer number (6307574).

Almost surely, 2^163604124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163604124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227072664).

163604124 is an abundant number, since it is smaller than the sum of its proper divisors (290541204).

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

163604124 is a wasteful number, since it uses less digits than its factorization.

163604124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9937 (or 9923 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 163604124 is about 12790.7827751080. The cubic root of 163604124 is about 546.9295841855.

The spelling of 163604124 in words is "one hundred sixty-three million, six hundred four thousand, one hundred twenty-four".