172688443066136 has 32 divisors (see below), whose sum is σ = 324054970766640. Its totient is φ = 86273788622208.

The previous prime is 172688443066129. The next prime is 172688443066177. The reversal of 172688443066136 is 631660344886271.

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, 332097335 + ... + 332616921.

Almost surely, 2^{172688443066136} is an apocalyptic number.

It is an amenable number.

172688443066136 is a deficient number, since it is larger than the sum of its proper divisors (151366527700504).

172688443066136 is a wasteful number, since it uses less digits than its factorization.

172688443066136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553403 (or 553399 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 65.

The spelling of 172688443066136 in words is "one hundred seventy-two trillion, six hundred eighty-eight billion, four hundred forty-three million, sixty-six thousand, one hundred thirty-six".