70163163931 has 16 divisors (see below), whose sum is σ = 80475634944. Its totient is φ = 59923380384.

The previous prime is 70163163871. The next prime is 70163163943. The reversal of 70163163931 is 13936136107.

It is not a de Polignac number, because 70163163931 - 2¹³ = 70163155739 is a prime.

It is a super-2 number, since 2×70163163931² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70163103931) 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 15 ways as a sum of consecutive naturals, for example, 2179156 + ... + 2211118.

It is an arithmetic number, because the mean of its divisors is an integer number (5029727184).

Almost surely, 2^70163163931 is an apocalyptic number.

70163163931 is a deficient number, since it is larger than the sum of its proper divisors (10312471013).

70163163931 is a wasteful number, since it uses less digits than its factorization.

70163163931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33090.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 70163163931 in words is "seventy billion, one hundred sixty-three million, one hundred sixty-three thousand, nine hundred thirty-one".