660882164 has 12 divisors (see below), whose sum is σ = 1157948064. Its totient is φ = 330039864.

The previous prime is 660882139. The next prime is 660882169. The reversal of 660882164 is 461288066.

It is a super-3 number, since 3×660882164³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660882169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96584 + ... + 103199.

It is an arithmetic number, because the mean of its divisors is an integer number (96495672).

Almost surely, 2^660882164 is an apocalyptic number.

It is an amenable number.

660882164 is a deficient number, since it is larger than the sum of its proper divisors (497065900).

660882164 is a wasteful number, since it uses less digits than its factorization.

660882164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200614 (or 200612 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 660882164 is about 25707.6285176210. The cubic root of 660882164 is about 871.0465074381.

The spelling of 660882164 in words is "six hundred sixty million, eight hundred eighty-two thousand, one hundred sixty-four".