172377306616 has 16 divisors (see below), whose sum is σ = 324133551000. Its totient is φ = 85941693024.

The previous prime is 172377306613. The next prime is 172377306677. The reversal of 172377306616 is 616603773271.

It is a self number, because there is not a number n which added to its sum of digits gives 172377306616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172377306613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30867070 + ... + 30872653.

Almost surely, 2^172377306616 is an apocalyptic number.

It is an amenable number.

172377306616 is a deficient number, since it is larger than the sum of its proper divisors (151756244384).

172377306616 is a wasteful number, since it uses less digits than its factorization.

172377306616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61740078 (or 61740074 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 172377306616 in words is "one hundred seventy-two billion, three hundred seventy-seven million, three hundred six thousand, six hundred sixteen".