766663070471308 has 12 divisors (see below), whose sum is σ = 1374383797064712. Its totient is φ = 373981985595680.

The previous prime is 766663070471303. The next prime is 766663070471321. The reversal of 766663070471308 is 803174070366667.

It is a super-2 number, since 2×766663070471308² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 766663070471308.

It is not an unprimeable number, because it can be changed into a prime (766663070471303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337387409810 + ... + 2337387410137.

It is an arithmetic number, because the mean of its divisors is an integer number (114531983088726).

Almost surely, 2^{766663070471308} is an apocalyptic number.

It is an amenable number.

766663070471308 is a deficient number, since it is larger than the sum of its proper divisors (607720726593404).

766663070471308 is a wasteful number, since it uses less digits than its factorization.

766663070471308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674774819992 (or 4674774819990 counting only the distinct ones).

The product of its (nonzero) digits is 128024064, while the sum is 64.

The spelling of 766663070471308 in words is "seven hundred sixty-six trillion, six hundred sixty-three billion, seventy million, four hundred seventy-one thousand, three hundred eight".