163307660 has 48 divisors (see below), whose sum is σ = 362288640. Its totient is φ = 61663680.

The previous prime is 163307653. The next prime is 163307687. The reversal of 163307660 is 66703361.

It is a happy number.

163307660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138875 + ... + 140045.

It is an arithmetic number, because the mean of its divisors is an integer number (7547680).

Almost surely, 2^163307660 is an apocalyptic number.

163307660 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 163307660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181144320).

163307660 is an abundant number, since it is smaller than the sum of its proper divisors (198980980).

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

163307660 is a wasteful number, since it uses less digits than its factorization.

163307660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 163307660 is about 12779.1885501389. The cubic root of 163307660 is about 546.5990241178.

Subtracting from 163307660 its sum of digits (32), we obtain a triangular number (163307628 = T₁₈₀₇₂).

The spelling of 163307660 in words is "one hundred sixty-three million, three hundred seven thousand, six hundred sixty".