172053568672 has 24 divisors (see below), whose sum is σ = 338779869876. Its totient is φ = 86014236672.

The previous prime is 172053568649. The next prime is 172053568733. The reversal of 172053568672 is 276865350271.

It is a happy number.

172053568672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 171690894736 + 362673936 = 414356^2 + 19044^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167313 + ... + 610000.

Almost surely, 2^172053568672 is an apocalyptic number.

It is an amenable number.

172053568672 is a deficient number, since it is larger than the sum of its proper divisors (166726301204).

172053568672 is an equidigital number, since it uses as much as digits as its factorization.

172053568672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784240 (or 784232 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 172053568672 in words is "one hundred seventy-two billion, fifty-three million, five hundred sixty-eight thousand, six hundred seventy-two".