66736700704068 has 24 divisors (see below), whose sum is σ = 155755410967968. Its totient is φ = 22240360807296.

The previous prime is 66736700704001. The next prime is 66736700704127. The reversal of 66736700704068 is 86040700763766.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650708346 + ... + 650810897.

It is an arithmetic number, because the mean of its divisors is an integer number (6489808790332).

Almost surely, 2^{66736700704068} is an apocalyptic number.

It is an amenable number.

66736700704068 is an abundant number, since it is smaller than the sum of its proper divisors (89018710263900).

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

66736700704068 is a wasteful number, since it uses less digits than its factorization.

66736700704068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301523523 (or 1301523521 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 60.

The spelling of 66736700704068 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred million, seven hundred four thousand, sixty-eight".