15166497064432 has 20 divisors (see below), whose sum is σ = 33582957785776. Its totient is φ = 6499927313280.

The previous prime is 15166497064423. The next prime is 15166497064447. The reversal of 15166497064432 is 23446079466151.

It is a happy number.

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, 67707576069 + ... + 67707576292.

Almost surely, 2^{15166497064432} is an apocalyptic number.

It is an amenable number.

15166497064432 is an abundant number, since it is smaller than the sum of its proper divisors (18416460721344).

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

15166497064432 is a wasteful number, since it uses less digits than its factorization.

15166497064432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135415152376 (or 135415152370 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 15166497064432 in words is "fifteen trillion, one hundred sixty-six billion, four hundred ninety-seven million, sixty-four thousand, four hundred thirty-two".