163278156 has 12 divisors (see below), whose sum is σ = 380982392. Its totient is φ = 54426048.

The previous prime is 163278133. The next prime is 163278161. The reversal of 163278156 is 651872361.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6803245 + ... + 6803268.

Almost surely, 2^163278156 is an apocalyptic number.

It is an amenable number.

163278156 is an abundant number, since it is smaller than the sum of its proper divisors (217704236).

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

163278156 is a wasteful number, since it uses less digits than its factorization.

163278156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13606520 (or 13606518 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 163278156 is about 12778.0341211002. The cubic root of 163278156 is about 546.5661050069.

The spelling of 163278156 in words is "one hundred sixty-three million, two hundred seventy-eight thousand, one hundred fifty-six".