71656048418 has 32 divisors (see below), whose sum is σ = 115168314240. Its totient is φ = 33354259840.

The previous prime is 71656048397. The next prime is 71656048421. The reversal of 71656048418 is 81484065617.

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, 744896 + ... + 835572.

It is an arithmetic number, because the mean of its divisors is an integer number (3599009820).

Almost surely, 2^71656048418 is an apocalyptic number.

71656048418 is a deficient number, since it is larger than the sum of its proper divisors (43512265822).

71656048418 is a wasteful number, since it uses less digits than its factorization.

71656048418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91162.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 71656048418 in words is "seventy-one billion, six hundred fifty-six million, forty-eight thousand, four hundred eighteen".