666007767110776 has 32 divisors (see below), whose sum is σ = 1250437167383040. Its totient is φ = 332558153674848.

The previous prime is 666007767110773. The next prime is 666007767110783. The reversal of 666007767110776 is 677011767700666.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666007767110773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726270 + ... + 36504013.

It is an arithmetic number, because the mean of its divisors is an integer number (39076161480720).

Almost surely, 2^{666007767110776} is an apocalyptic number.

It is an amenable number.

666007767110776 is a deficient number, since it is larger than the sum of its proper divisors (584429400272264).

666007767110776 is a wasteful number, since it uses less digits than its factorization.

666007767110776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37233283 (or 37233279 counting only the distinct ones).

The product of its (nonzero) digits is 130691232, while the sum is 67.

The spelling of 666007767110776 in words is "six hundred sixty-six trillion, seven billion, seven hundred sixty-seven million, one hundred ten thousand, seven hundred seventy-six".