163245456 has 180 divisors, whose sum is σ = 522268656. Its totient is φ = 49325760.

The previous prime is 163245431. The next prime is 163245469. The reversal of 163245456 is 654542361.

163245456 is a `hidden beast` number, since 163 + 2 + 45 + 456 = 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 163245456.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 470275 + ... + 470621.

Almost surely, 2^163245456 is an apocalyptic number.

163245456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163245456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261134328).

163245456 is an abundant number, since it is smaller than the sum of its proper divisors (359023200).

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

163245456 is a wasteful number, since it uses less digits than its factorization.

163245456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 363 counting only the distinct ones).

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

The square root of 163245456 is about 12776.7545174821. The cubic root of 163245456 is about 546.5296153230.

The spelling of 163245456 in words is "one hundred sixty-three million, two hundred forty-five thousand, four hundred fifty-six".