163252039680 has 260 divisors, whose sum is σ = 585223294392. Its totient is φ = 43533434880.

The previous prime is 163252039667. The next prime is 163252039781. The reversal of 163252039680 is 86930252361.

163252039680 is a `hidden beast` number, since 1 + 6 + 3 + 252 + 0 + 396 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1609675 + ... + 1708085.

Almost surely, 2^163252039680 is an apocalyptic number.

163252039680 is a gapful number since it is divisible by the number (10) 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 163252039680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292611647196).

163252039680 is an abundant number, since it is smaller than the sum of its proper divisors (421971254712).

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

163252039680 is an frugal number, since it uses more digits than its factorization.

163252039680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98452 (or 98421 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 163252039680 in words is "one hundred sixty-three billion, two hundred fifty-two million, thirty-nine thousand, six hundred eighty".