172450346612 has 24 divisors (see below), whose sum is σ = 319662039816. Its totient is φ = 81122198528.

The previous prime is 172450346609. The next prime is 172450346669. The reversal of 172450346612 is 216643054271.

It can be written as a sum of positive squares in 4 ways, for example, as 1712800996 + 170737545616 = 41386^2 + 413204^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 172450346612.

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, 302543 + ... + 660630.

It is an arithmetic number, because the mean of its divisors is an integer number (13319251659).

Almost surely, 2^172450346612 is an apocalyptic number.

It is an amenable number.

172450346612 is a deficient number, since it is larger than the sum of its proper divisors (147211693204).

172450346612 is a wasteful number, since it uses less digits than its factorization.

172450346612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965827 (or 965825 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 172450346612 in words is "one hundred seventy-two billion, four hundred fifty million, three hundred forty-six thousand, six hundred twelve".