70957090161 has 12 divisors (see below), whose sum is σ = 102515615488. Its totient is φ = 47294554104.

The previous prime is 70957090159. The next prime is 70957090189. The reversal of 70957090161 is 16109075907.

70957090161 is a `hidden beast` number, since 70 + 9 + 570 + 9 + 0 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 70957090161 - 2¹ = 70957090159 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70957090111) 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 11 ways as a sum of consecutive naturals, for example, 803425 + ... + 887358.

Almost surely, 2^70957090161 is an apocalyptic number.

It is an amenable number.

70957090161 is a deficient number, since it is larger than the sum of its proper divisors (31558525327).

70957090161 is a wasteful number, since it uses less digits than its factorization.

70957090161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695452 (or 1695449 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

The spelling of 70957090161 in words is "seventy billion, nine hundred fifty-seven million, ninety thousand, one hundred sixty-one".