766666689960000 has 280 divisors, whose sum is σ = 2596602859782624. Its totient is φ = 199457999360000.

The previous prime is 766666689959999. The next prime is 766666689960167. The reversal of 766666689960000 is 69986666667.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a junction number, because it is equal to n+sod(n) for n = 766666689959895 and 766666689959904.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 72993282 + ... + 82833281.

Almost surely, 2^{766666689960000} is an apocalyptic number.

It is an amenable number.

766666689960000 is an abundant number, since it is smaller than the sum of its proper divisors (1829936169822624).

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

766666689960000 is a wasteful number, since it uses less digits than its factorization.

766666689960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155826639 (or 155826614 counting only the distinct ones).

The product of its (nonzero) digits is 1269789696, while the sum is 75.

The spelling of 766666689960000 in words is "seven hundred sixty-six trillion, six hundred sixty-six billion, six hundred eighty-nine million, nine hundred sixty thousand".