70688071916 has 48 divisors (see below), whose sum is σ = 154262798592. Its totient is φ = 27534686400.

The previous prime is 70688071901. The next prime is 70688071919. The reversal of 70688071916 is 61917088607.

It is a super-2 number, since 2×70688071916² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70688071919) 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, 1512986 + ... + 1559006.

It is an arithmetic number, because the mean of its divisors is an integer number (3213808304).

Almost surely, 2^70688071916 is an apocalyptic number.

It is an amenable number.

70688071916 is an abundant number, since it is smaller than the sum of its proper divisors (83574726676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70688071916 is a wasteful number, since it uses less digits than its factorization.

70688071916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51030 (or 51028 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 70688071916 in words is "seventy billion, six hundred eighty-eight million, seventy-one thousand, nine hundred sixteen".