66769320033704 has 16 divisors (see below), whose sum is σ = 131781552698400. Its totient is φ = 31627572647472.

The previous prime is 66769320033683. The next prime is 66769320033733. The reversal of 66769320033704 is 40733002396766.

It is a self number, because there is not a number n which added to its sum of digits gives 66769320033704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219635921012 + ... + 219635921315.

It is an arithmetic number, because the mean of its divisors is an integer number (8236347043650).

Almost surely, 2^{66769320033704} is an apocalyptic number.

It is an amenable number.

66769320033704 is a deficient number, since it is larger than the sum of its proper divisors (65012232664696).

66769320033704 is a wasteful number, since it uses less digits than its factorization.

66769320033704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439271842352 (or 439271842348 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 56.

The spelling of 66769320033704 in words is "sixty-six trillion, seven hundred sixty-nine billion, three hundred twenty million, thirty-three thousand, seven hundred four".