260632571656 has 32 divisors (see below), whose sum is σ = 489867701400. Its totient is φ = 130001328640.

The previous prime is 260632571599. The next prime is 260632571659. The reversal of 260632571656 is 656175236062.

It can be written as a sum of positive squares in 4 ways, for example, as 150415211556 + 110217360100 = 387834^2 + 331990^2 .

It is not an unprimeable number, because it can be changed into a prime (260632571659) 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, 23114436 + ... + 23125708.

Almost surely, 2^260632571656 is an apocalyptic number.

It is an amenable number.

260632571656 is a deficient number, since it is larger than the sum of its proper divisors (229235129744).

260632571656 is a wasteful number, since it uses less digits than its factorization.

260632571656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18009 (or 18005 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 260632571656 in words is "two hundred sixty billion, six hundred thirty-two million, five hundred seventy-one thousand, six hundred fifty-six".