260311664628 has 48 divisors (see below), whose sum is σ = 683013226560. Its totient is φ = 85725123552.

The previous prime is 260311664621. The next prime is 260311664699. The reversal of 260311664628 is 826466113062.

260311664628 is a `hidden beast` number, since 2 + 6 + 0 + 3 + 1 + 16 + 6 + 4 + 628 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260311664621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14510875 + ... + 14528802.

It is an arithmetic number, because the mean of its divisors is an integer number (14229442220).

Almost surely, 2^260311664628 is an apocalyptic number.

It is an amenable number.

260311664628 is an abundant number, since it is smaller than the sum of its proper divisors (422701561932).

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

260311664628 is a wasteful number, since it uses less digits than its factorization.

260311664628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29039773 (or 29039765 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 260311664628 in words is "two hundred sixty billion, three hundred eleven million, six hundred sixty-four thousand, six hundred twenty-eight".