172054770412 has 24 divisors (see below), whose sum is σ = 351431023104. Its totient is φ = 72168869712.

The previous prime is 172054770401. The next prime is 172054770421. The reversal of 172054770412 is 214077450271.

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, 65369038 + ... + 65371669.

It is an arithmetic number, because the mean of its divisors is an integer number (14642959296).

Almost surely, 2^172054770412 is an apocalyptic number.

It is an amenable number.

172054770412 is an abundant number, since it is smaller than the sum of its proper divisors (179376252692).

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

172054770412 is a wasteful number, since it uses less digits than its factorization.

172054770412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130740765 (or 130740763 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 40.

The spelling of 172054770412 in words is "one hundred seventy-two billion, fifty-four million, seven hundred seventy thousand, four hundred twelve".