163545624 has 96 divisors (see below), whose sum is σ = 496351440. Its totient is φ = 48211200.

The previous prime is 163545601. The next prime is 163545637. The reversal of 163545624 is 426545361.

163545624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163545624² = 53494342259098752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26514 + ... + 32094.

Almost surely, 2^163545624 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 163545624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248175720).

163545624 is an abundant number, since it is smaller than the sum of its proper divisors (332805816).

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

163545624 is a wasteful number, since it uses less digits than its factorization.

163545624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641 (or 5634 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 163545624 is about 12788.4957676812. The cubic root of 163545624 is about 546.8643877952.

The spelling of 163545624 in words is "one hundred sixty-three million, five hundred forty-five thousand, six hundred twenty-four".