260646735768 has 16 divisors (see below), whose sum is σ = 651616839480. Its totient is φ = 86882245248.

The previous prime is 260646735757. The next prime is 260646735821. The reversal of 260646735768 is 867537646062.

It is a super-2 number, since 2×260646735768² (a number of 24 digits) contains 22 as substring.

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, 5430140305 + ... + 5430140352.

Almost surely, 2^260646735768 is an apocalyptic number.

It is an amenable number.

260646735768 is an abundant number, since it is smaller than the sum of its proper divisors (390970103712).

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

260646735768 is a wasteful number, since it uses less digits than its factorization.

260646735768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10860280666 (or 10860280662 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 60.

The spelling of 260646735768 in words is "two hundred sixty billion, six hundred forty-six million, seven hundred thirty-five thousand, seven hundred sixty-eight".