666064316 has 6 divisors (see below), whose sum is σ = 1165612560. Its totient is φ = 333032156.

The previous prime is 666064309. The next prime is 666064351. The reversal of 666064316 is 613460666.

It is a self number, because there is not a number n which added to its sum of digits gives 666064316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83258036 + ... + 83258043.

It is an arithmetic number, because the mean of its divisors is an integer number (194268760).

Almost surely, 2^666064316 is an apocalyptic number.

It is an amenable number.

666064316 is a deficient number, since it is larger than the sum of its proper divisors (499548244).

666064316 is a wasteful number, since it uses less digits than its factorization.

666064316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166516083 (or 166516081 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 666064316 is about 25808.2218682342. The cubic root of 666064316 is about 873.3172845693.

The spelling of 666064316 in words is "six hundred sixty-six million, sixty-four thousand, three hundred sixteen".