666094293315 has 576 divisors, whose sum is σ = 1452028032000. Its totient is φ = 280907827200.

The previous prime is 666094293247. The next prime is 666094293331. The reversal of 666094293315 is 513392490666.

It is a Cunningham number, because it is equal to 816146²-1.

It is not a de Polignac number, because 666094293315 - 2⁹ = 666094292803 is a prime.

Together with 785933738685 it forms an amicable pair .

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 9381609730 + ... + 9381609800.

It is an arithmetic number, because the mean of its divisors is an integer number (2520882000).

Almost surely, 2^666094293315 is an apocalyptic number.

666094293315 is an abundant number, since it is smaller than the sum of its proper divisors (785933738685).

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

666094293315 is a wasteful number, since it uses less digits than its factorization.

666094293315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 666094293315 in words is "six hundred sixty-six billion, ninety-four million, two hundred ninety-three thousand, three hundred fifteen".