172374492016 has 20 divisors (see below), whose sum is σ = 333988667752. Its totient is φ = 86183868096.

The previous prime is 172374491999. The next prime is 172374492061. The reversal of 172374492016 is 610294473271.

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, 238951 + ... + 633913.

Almost surely, 2^172374492016 is an apocalyptic number.

172374492016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172374492016 is a deficient number, since it is larger than the sum of its proper divisors (161614175736).

172374492016 is a wasteful number, since it uses less digits than its factorization.

172374492016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422248 (or 422242 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 172374492016 in words is "one hundred seventy-two billion, three hundred seventy-four million, four hundred ninety-two thousand, sixteen".