70165015925 has 54 divisors (see below), whose sum is σ = 93802276962. Its totient is φ = 52038118080.

The previous prime is 70165015883. The next prime is 70165015927. The reversal of 70165015925 is 52951056107.

It can be written as a sum of positive squares in 3 ways, for example, as 8949349201 + 61215666724 = 94601^2 + 247418^2 .

It is not a de Polignac number, because 70165015925 - 2⁶ = 70165015861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70165015927) 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 53 ways as a sum of consecutive naturals, for example, 183198284 + ... + 183198666.

It is an arithmetic number, because the mean of its divisors is an integer number (1737079203).

Almost surely, 2^70165015925 is an apocalyptic number.

It is an amenable number.

70165015925 is a deficient number, since it is larger than the sum of its proper divisors (23637261037).

70165015925 is an equidigital number, since it uses as much as digits as its factorization.

70165015925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 41.

The spelling of 70165015925 in words is "seventy billion, one hundred sixty-five million, fifteen thousand, nine hundred twenty-five".