664884863182 has 16 divisors (see below), whose sum is σ = 1013404186800. Its totient is φ = 327125171968.

The previous prime is 664884863177. The next prime is 664884863183. The reversal of 664884863182 is 281368488466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664884863183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10394083 + ... + 10457854.

It is an arithmetic number, because the mean of its divisors is an integer number (63337761675).

Almost surely, 2^664884863182 is an apocalyptic number.

664884863182 is a deficient number, since it is larger than the sum of its proper divisors (348519323618).

664884863182 is a wasteful number, since it uses less digits than its factorization.

664884863182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20852195.

The product of its digits is 84934656, while the sum is 64.

The spelling of 664884863182 in words is "six hundred sixty-four billion, eight hundred eighty-four million, eight hundred sixty-three thousand, one hundred eighty-two".