666741475334 has 8 divisors (see below), whose sum is σ = 1091031505128. Its totient is φ = 303064306960.

The previous prime is 666741475319. The next prime is 666741475349. The reversal of 666741475334 is 433574147666.

It is an interprime number because it is at equal distance from previous prime (666741475319) and next prime (666741475349).

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

It is a self number, because there is not a number n which added to its sum of digits gives 666741475334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15153215327 + ... + 15153215370.

It is an arithmetic number, because the mean of its divisors is an integer number (136378938141).

Almost surely, 2^666741475334 is an apocalyptic number.

666741475334 is a deficient number, since it is larger than the sum of its proper divisors (424290029794).

666741475334 is a wasteful number, since it uses less digits than its factorization.

666741475334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30306430710.

The product of its digits is 30481920, while the sum is 56.

The spelling of 666741475334 in words is "six hundred sixty-six billion, seven hundred forty-one million, four hundred seventy-five thousand, three hundred thirty-four".