163076744272 has 40 divisors (see below), whose sum is σ = 340379257736. Its totient is φ = 75241115136.

The previous prime is 163076744249. The next prime is 163076744291. The reversal of 163076744272 is 272447670361.

It can be written as a sum of positive squares in 4 ways, for example, as 14540501056 + 148536243216 = 120584^2 + 385404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502618 + ... + 760774.

Almost surely, 2^163076744272 is an apocalyptic number.

It is an amenable number.

163076744272 is an abundant number, since it is smaller than the sum of its proper divisors (177302513464).

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

163076744272 is a wasteful number, since it uses less digits than its factorization.

163076744272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261215 (or 261209 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 163076744272 in words is "one hundred sixty-three billion, seventy-six million, seven hundred forty-four thousand, two hundred seventy-two".