280132161564 has 12 divisors (see below), whose sum is σ = 653641710344. Its totient is φ = 93377387184.

The previous prime is 280132161527. The next prime is 280132161593. The reversal of 280132161564 is 465161231082.

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

It is a congruent number.

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, 11672173387 + ... + 11672173410.

Almost surely, 2^280132161564 is an apocalyptic number.

It is an amenable number.

280132161564 is an abundant number, since it is smaller than the sum of its proper divisors (373509548780).

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

280132161564 is a wasteful number, since it uses less digits than its factorization.

280132161564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23344346804 (or 23344346802 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 280132161564 in words is "two hundred eighty billion, one hundred thirty-two million, one hundred sixty-one thousand, five hundred sixty-four".