666160508 has 24 divisors (see below), whose sum is σ = 1298750880. Its totient is φ = 296856000.

The previous prime is 666160483. The next prime is 666160511. The reversal of 666160508 is 805061666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219368 + ... + 222383.

It is an arithmetic number, because the mean of its divisors is an integer number (54114620).

Almost surely, 2^666160508 is an apocalyptic number.

It is an amenable number.

666160508 is a deficient number, since it is larger than the sum of its proper divisors (632590372).

666160508 is a wasteful number, since it uses less digits than its factorization.

666160508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441797 (or 441795 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 666160508 is about 25810.0853931172. The cubic root of 666160508 is about 873.3593235990.

The spelling of 666160508 in words is "six hundred sixty-six million, one hundred sixty thousand, five hundred eight".