172533860488642 has 32 divisors (see below), whose sum is σ = 267141299512320. Its totient is φ = 83527483780800.

The previous prime is 172533860488621. The next prime is 172533860488669. The reversal of 172533860488642 is 246884068335271.

It is a happy number.

It is a super-2 number, since 2×172533860488642² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4274743 + ... + 19061509.

It is an arithmetic number, because the mean of its divisors is an integer number (8348165609760).

Almost surely, 2^{172533860488642} is an apocalyptic number.

172533860488642 is a deficient number, since it is larger than the sum of its proper divisors (94607439023678).

172533860488642 is a wasteful number, since it uses less digits than its factorization.

172533860488642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14788146.

The product of its (nonzero) digits is 371589120, while the sum is 67.

The spelling of 172533860488642 in words is "one hundred seventy-two trillion, five hundred thirty-three billion, eight hundred sixty million, four hundred eighty-eight thousand, six hundred forty-two".