260006605656 has 32 divisors (see below), whose sum is σ = 742876016640. Its totient is φ = 74287601568.

The previous prime is 260006605601. The next prime is 260006605657. The reversal of 260006605656 is 656506600062.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260006605657) 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, 773829016 + ... + 773829351.

It is an arithmetic number, because the mean of its divisors is an integer number (23214875520).

Almost surely, 2^260006605656 is an apocalyptic number.

It is an amenable number.

260006605656 is an abundant number, since it is smaller than the sum of its proper divisors (482869410984).

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

260006605656 is a wasteful number, since it uses less digits than its factorization.

260006605656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547658383 (or 1547658379 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 260006605656 in words is "two hundred sixty billion, six million, six hundred five thousand, six hundred fifty-six".