260647201564 has 12 divisors (see below), whose sum is σ = 470846557888. Its totient is φ = 126119613600.

The previous prime is 260647201517. The next prime is 260647201571. The reversal of 260647201564 is 465102746062.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 260647201564.

It is a congruent number.

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, 1050996657 + ... + 1050996904.

Almost surely, 2^260647201564 is an apocalyptic number.

It is an amenable number.

260647201564 is a deficient number, since it is larger than the sum of its proper divisors (210199356324).

260647201564 is a wasteful number, since it uses less digits than its factorization.

260647201564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101993596 (or 2101993594 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 260647201564 in words is "two hundred sixty billion, six hundred forty-seven million, two hundred one thousand, five hundred sixty-four".