666846475814700 has 108 divisors (see below), whose sum is σ = 2090198570791968. Its totient is φ = 177825272630400.

The previous prime is 666846475814669. The next prime is 666846475814767. The reversal of 666846475814700 is 7418574648666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 497113885 + ... + 498453515.

It is an arithmetic number, because the mean of its divisors is an integer number (19353690470296).

Almost surely, 2^{666846475814700} is an apocalyptic number.

666846475814700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

666846475814700 is an abundant number, since it is smaller than the sum of its proper divisors (1423352094977268).

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

666846475814700 is a wasteful number, since it uses less digits than its factorization.

666846475814700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892744 (or 1892734 counting only the distinct ones).

The product of its (nonzero) digits is 1300561920, while the sum is 72.

The spelling of 666846475814700 in words is "six hundred sixty-six trillion, eight hundred forty-six billion, four hundred seventy-five million, eight hundred fourteen thousand, seven hundred".