867960661662 has 24 divisors (see below), whose sum is σ = 1880604531624. Its totient is φ = 289316667024.

The previous prime is 867960661661. The next prime is 867960661669. The reversal of 867960661662 is 266166069768.

867960661662 is a `hidden beast` number, since 8 + 6 + 7 + 9 + 6 + 0 + 6 + 616 + 6 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 867960661662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867960661661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1506753 + ... + 2001555.

It is an arithmetic number, because the mean of its divisors is an integer number (78358522151).

Almost surely, 2^867960661662 is an apocalyptic number.

867960661662 is an abundant number, since it is smaller than the sum of its proper divisors (1012643869962).

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

867960661662 is a wasteful number, since it uses less digits than its factorization.

867960661662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592264 (or 592261 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 867960661662 in words is "eight hundred sixty-seven billion, nine hundred sixty million, six hundred sixty-one thousand, six hundred sixty-two".