71170017964 has 6 divisors (see below), whose sum is σ = 124547531444. Its totient is φ = 35585008980.

The previous prime is 71170017929. The next prime is 71170017973. The reversal of 71170017964 is 46971007117.

It is a self number, because there is not a number n which added to its sum of digits gives 71170017964.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8896252242 + ... + 8896252249.

Almost surely, 2^71170017964 is an apocalyptic number.

It is an amenable number.

71170017964 is a deficient number, since it is larger than the sum of its proper divisors (53377513480).

71170017964 is a wasteful number, since it uses less digits than its factorization.

71170017964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17792504495 (or 17792504493 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 43.

The spelling of 71170017964 in words is "seventy-one billion, one hundred seventy million, seventeen thousand, nine hundred sixty-four".