659952854672 has 20 divisors (see below), whose sum is σ = 1296174530220. Its totient is φ = 325456201728.

The previous prime is 659952854663. The next prime is 659952854713. The reversal of 659952854672 is 276458259956.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 394806128896 + 265146725776 = 628336^2 + 514924^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282512897 + ... + 282515232.

It is an arithmetic number, because the mean of its divisors is an integer number (64808726511).

Almost surely, 2^659952854672 is an apocalyptic number.

It is an amenable number.

659952854672 is a deficient number, since it is larger than the sum of its proper divisors (636221675548).

659952854672 is a wasteful number, since it uses less digits than its factorization.

659952854672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565028210 (or 565028204 counting only the distinct ones).

The product of its digits is 326592000, while the sum is 68.

The spelling of 659952854672 in words is "six hundred fifty-nine billion, nine hundred fifty-two million, eight hundred fifty-four thousand, six hundred seventy-two".