666034032402 has 32 divisors (see below), whose sum is σ = 1557974347200. Its totient is φ = 210326536224.

The previous prime is 666034032311. The next prime is 666034032409. The reversal of 666034032402 is 204230430666.

It is not an unprimeable number, because it can be changed into a prime (666034032409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324576963 + ... + 324579014.

It is an arithmetic number, because the mean of its divisors is an integer number (48686698350).

Almost surely, 2^666034032402 is an apocalyptic number.

666034032402 is an abundant number, since it is smaller than the sum of its proper divisors (891940314798).

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

666034032402 is a wasteful number, since it uses less digits than its factorization.

666034032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649156007 (or 649156001 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 666034032402 in words is "six hundred sixty-six billion, thirty-four million, thirty-two thousand, four hundred two".