660952682 has 16 divisors (see below), whose sum is σ = 1096550952. Its totient is φ = 296809920.

The previous prime is 660952657. The next prime is 660952709. The reversal of 660952682 is 286259066.

It is a Cunningham number, because it is equal to 25709²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 591413761 + 69538921 = 24319^2 + 8339^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 342569 + ... + 344492.

Almost surely, 2^660952682 is an apocalyptic number.

660952682 is a deficient number, since it is larger than the sum of its proper divisors (435598270).

660952682 is a wasteful number, since it uses less digits than its factorization.

660952682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687113.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 660952682 is about 25709.0000194484. Note that the first 4 decimals coincide. The cubic root of 660952682 is about 871.0774873800.

The spelling of 660952682 in words is "six hundred sixty million, nine hundred fifty-two thousand, six hundred eighty-two".