172214770506 has 16 divisors (see below), whose sum is σ = 364690102464. Its totient is φ = 54028163264.

The previous prime is 172214770501. The next prime is 172214770513. The reversal of 172214770506 is 605077412271.

It is not an unprimeable number, because it can be changed into a prime (172214770501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844189950 + ... + 844190153.

It is an arithmetic number, because the mean of its divisors is an integer number (22793131404).

Almost surely, 2^172214770506 is an apocalyptic number.

172214770506 is an abundant number, since it is smaller than the sum of its proper divisors (192475331958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172214770506 is a wasteful number, since it uses less digits than its factorization.

172214770506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688380125.

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 172214770506 in words is "one hundred seventy-two billion, two hundred fourteen million, seven hundred seventy thousand, five hundred six".