70169616513 has 12 divisors (see below), whose sum is σ = 101366247060. Its totient is φ = 46775066976.

The previous prime is 70169616499. The next prime is 70169616571. The reversal of 70169616513 is 31561696107.

70169616513 is a `hidden beast` number, since 7 + 0 + 16 + 9 + 616 + 5 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49278672144 + 20890944369 = 221988^2 + 144537^2 .

It is not a de Polignac number, because 70169616513 - 2⁹ = 70169616001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70169611513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293518 + ... + 475911.

It is an arithmetic number, because the mean of its divisors is an integer number (8447187255).

Almost surely, 2^70169616513 is an apocalyptic number.

It is an amenable number.

70169616513 is a deficient number, since it is larger than the sum of its proper divisors (31196630547).

70169616513 is a wasteful number, since it uses less digits than its factorization.

70169616513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779568 (or 779565 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 70169616513 in words is "seventy billion, one hundred sixty-nine million, six hundred sixteen thousand, five hundred thirteen".