70160205657 has 32 divisors (see below), whose sum is σ = 104639644800. Its totient is φ = 41554418688.

The previous prime is 70160205649. The next prime is 70160205697. The reversal of 70160205657 is 75650206107.

It is not a de Polignac number, because 70160205657 - 2³ = 70160205649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70160205617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137719 + ... + 399107.

It is an arithmetic number, because the mean of its divisors is an integer number (3269988900).

Almost surely, 2^70160205657 is an apocalyptic number.

It is an amenable number.

70160205657 is a deficient number, since it is larger than the sum of its proper divisors (34479439143).

70160205657 is a wasteful number, since it uses less digits than its factorization.

70160205657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261705.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 70160205657 in words is "seventy billion, one hundred sixty million, two hundred five thousand, six hundred fifty-seven".