666734080134 has 8 divisors (see below), whose sum is σ = 1333468160280. Its totient is φ = 222244693376.

The previous prime is 666734080093. The next prime is 666734080157. The reversal of 666734080134 is 431080437666.

It is a sphenic number, since it is the product of 3 distinct primes.

666734080134 is an admirable number.

It is a super-2 number, since 2×666734080134² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55561173339 + ... + 55561173350.

It is an arithmetic number, because the mean of its divisors is an integer number (166683520035).

Almost surely, 2^666734080134 is an apocalyptic number.

666734080134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

666734080134 is a wasteful number, since it uses less digits than its factorization.

666734080134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111122346694.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 666734080134 in words is "six hundred sixty-six billion, seven hundred thirty-four million, eighty thousand, one hundred thirty-four".