71660229366 has 32 divisors (see below), whose sum is σ = 159985634688. Its totient is φ = 21210215040.

The previous prime is 71660229341. The next prime is 71660229371. The reversal of 71660229366 is 66392206617.

It is a congruent number.

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, 12622291 + ... + 12627966.

It is an arithmetic number, because the mean of its divisors is an integer number (4999551084).

Almost surely, 2^71660229366 is an apocalyptic number.

71660229366 is an abundant number, since it is smaller than the sum of its proper divisors (88325405322).

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

71660229366 is a wasteful number, since it uses less digits than its factorization.

71660229366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25250316.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 71660229366 in words is "seventy-one billion, six hundred sixty million, two hundred twenty-nine thousand, three hundred sixty-six".