666166114830 has 32 divisors (see below), whose sum is σ = 1642009453344. Its totient is φ = 172843099776.

The previous prime is 666166114819. The next prime is 666166114837. The reversal of 666166114830 is 38411661666.

It is a self number, because there is not a number n which added to its sum of digits gives 666166114830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666166114837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300073717 + ... + 300075936.

It is an arithmetic number, because the mean of its divisors is an integer number (51312795417).

Almost surely, 2^666166114830 is an apocalyptic number.

666166114830 is an abundant number, since it is smaller than the sum of its proper divisors (975843338514).

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

666166114830 is a wasteful number, since it uses less digits than its factorization.

666166114830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600149700.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 666166114830 in words is "six hundred sixty-six billion, one hundred sixty-six million, one hundred fourteen thousand, eight hundred thirty".