163670412 has 12 divisors (see below), whose sum is σ = 381897656. Its totient is φ = 54556800.

The previous prime is 163670411. The next prime is 163670447. The reversal of 163670412 is 214076361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 163670412.

It is not an unprimeable number, because it can be changed into a prime (163670411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6819589 + ... + 6819612.

Almost surely, 2^163670412 is an apocalyptic number.

163670412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163670412 is an abundant number, since it is smaller than the sum of its proper divisors (218227244).

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

163670412 is a wasteful number, since it uses less digits than its factorization.

163670412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13639208 (or 13639206 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 163670412 is about 12793.3737536273. The cubic root of 163670412 is about 547.0034412741.

The spelling of 163670412 in words is "one hundred sixty-three million, six hundred seventy thousand, four hundred twelve".