71097656604 has 48 divisors (see below), whose sum is σ = 180497499168. Its totient is φ = 21650669568.

The previous prime is 71097656579. The next prime is 71097656677. The reversal of 71097656604 is 40665679017.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2334117 + ... + 2364380.

It is an arithmetic number, because the mean of its divisors is an integer number (3760364566).

Almost surely, 2^71097656604 is an apocalyptic number.

It is an amenable number.

71097656604 is an abundant number, since it is smaller than the sum of its proper divisors (109399842564).

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

71097656604 is a wasteful number, since it uses less digits than its factorization.

71097656604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698614 (or 4698612 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 71097656604 in words is "seventy-one billion, ninety-seven million, six hundred fifty-six thousand, six hundred four".