172142366 has 16 divisors (see below), whose sum is σ = 286307568. Its totient is φ = 76963200.

The previous prime is 172142359. The next prime is 172142371. The reversal of 172142366 is 663241271.

172142366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 62795 + ... + 65478.

It is an arithmetic number, because the mean of its divisors is an integer number (17894223).

Almost surely, 2^172142366 is an apocalyptic number.

172142366 is a deficient number, since it is larger than the sum of its proper divisors (114165202).

172142366 is a wasteful number, since it uses less digits than its factorization.

172142366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128347.

The product of its digits is 12096, while the sum is 32.

The square root of 172142366 is about 13120.3035788049. The cubic root of 172142366 is about 556.2831722674.

The spelling of 172142366 in words is "one hundred seventy-two million, one hundred forty-two thousand, three hundred sixty-six".