666160264 has 32 divisors (see below), whose sum is σ = 1557259200. Its totient is φ = 259542720.

The previous prime is 666160223. The next prime is 666160277. The reversal of 666160264 is 462061666.

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, 540099 + ... + 541330.

It is an arithmetic number, because the mean of its divisors is an integer number (48664350).

Almost surely, 2^666160264 is an apocalyptic number.

It is an amenable number.

666160264 is an abundant number, since it is smaller than the sum of its proper divisors (891098936).

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

666160264 is a wasteful number, since it uses less digits than its factorization.

666160264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081453 (or 1081449 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 666160264 is about 25810.0806662823. The cubic root of 666160264 is about 873.3592169682.

It can be divided in two parts, 6661602 and 64, that added together give a palindrome (6661666).

The spelling of 666160264 in words is "six hundred sixty-six million, one hundred sixty thousand, two hundred sixty-four".