260057367355664 has 20 divisors (see below), whose sum is σ = 533500040384604. Its totient is φ = 122379937579008.

The previous prime is 260057367355549. The next prime is 260057367355703. The reversal of 260057367355664 is 466553763750062.

It can be written as a sum of positive squares in 2 ways, for example, as 175113347641600 + 84944019714064 = 13233040^2 + 9216508^2 .

It is a hoax number, since the sum of its digits (65) 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 260057367355664.

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, 478046630897 + ... + 478046631440.

Almost surely, 2^{260057367355664} is an apocalyptic number.

It is an amenable number.

260057367355664 is an abundant number, since it is smaller than the sum of its proper divisors (273442673028940).

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

260057367355664 is a wasteful number, since it uses less digits than its factorization.

260057367355664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956093262362 (or 956093262356 counting only the distinct ones).

The product of its (nonzero) digits is 571536000, while the sum is 65.

The spelling of 260057367355664 in words is "two hundred sixty trillion, fifty-seven billion, three hundred sixty-seven million, three hundred fifty-five thousand, six hundred sixty-four".