70961589516 has 48 divisors (see below), whose sum is σ = 179592910560. Its totient is φ = 21719470080.

The previous prime is 70961589379. The next prime is 70961589529. The reversal of 70961589516 is 61598516907.

It is a super-2 number, since 2×70961589516² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4233721 + ... + 4250448.

It is an arithmetic number, because the mean of its divisors is an integer number (3741518970).

Almost surely, 2^70961589516 is an apocalyptic number.

It is an amenable number.

70961589516 is an abundant number, since it is smaller than the sum of its proper divisors (108631321044).

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

70961589516 is a wasteful number, since it uses less digits than its factorization.

70961589516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484234 (or 8484232 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 57.

The spelling of 70961589516 in words is "seventy billion, nine hundred sixty-one million, five hundred eighty-nine thousand, five hundred sixteen".