163317130 has 32 divisors (see below), whose sum is σ = 316386000. Its totient is φ = 60472320.

The previous prime is 163317127. The next prime is 163317157. The reversal of 163317130 is 31713361.

It can be written as a sum of positive squares in 8 ways, for example, as 9284209 + 154032921 = 3047^2 + 12411^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163317095 and 163317104.

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, 2496 + ... + 18244.

Almost surely, 2^163317130 is an apocalyptic number.

163317130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163317130 is a deficient number, since it is larger than the sum of its proper divisors (153068870).

163317130 is a wasteful number, since it uses less digits than its factorization.

163317130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15834.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 163317130 is about 12779.5590690759. The cubic root of 163317130 is about 546.6095894371.

The spelling of 163317130 in words is "one hundred sixty-three million, three hundred seventeen thousand, one hundred thirty".