163464156 has 72 divisors (see below), whose sum is σ = 438582144. Its totient is φ = 53207280.

The previous prime is 163464149. The next prime is 163464181. The reversal of 163464156 is 651464361.

It is a happy number.

163464156 is a `hidden beast` number, since 1 + 6 + 3 + 4 + 641 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 163464156.

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, 39841 + ... + 43751.

Almost surely, 2^163464156 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 163464156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219291072).

163464156 is an abundant number, since it is smaller than the sum of its proper divisors (275117988).

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

163464156 is a wasteful number, since it uses less digits than its factorization.

163464156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973 (or 3959 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 163464156 is about 12785.3101644035. The cubic root of 163464156 is about 546.7735683925.

It can be divided in two parts, 16346 and 4156, that multiplied together give a palindrome (67933976).

The spelling of 163464156 in words is "one hundred sixty-three million, four hundred sixty-four thousand, one hundred fifty-six".