670144052707625 has 16 divisors (see below), whose sum is σ = 836344012143744. Its totient is φ = 536112527830000.

The previous prime is 670144052707559. The next prime is 670144052707693. The reversal of 670144052707625 is 526707250441076.

It is a happy number.

It is not a de Polignac number, because 670144052707625 - 2¹⁶ = 670144052642089 is a prime.

It is a Duffinian number.

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, 11399180 + ... + 38343570.

It is an arithmetic number, because the mean of its divisors is an integer number (52271500758984).

Almost surely, 2^{670144052707625} is an apocalyptic number.

It is an amenable number.

670144052707625 is a deficient number, since it is larger than the sum of its proper divisors (166199959436119).

670144052707625 is a wasteful number, since it uses less digits than its factorization.

670144052707625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143377 (or 27143367 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 56.

The spelling of 670144052707625 in words is "six hundred seventy trillion, one hundred forty-four billion, fifty-two million, seven hundred seven thousand, six hundred twenty-five".