260550266136 has 64 divisors (see below), whose sum is σ = 653191862400. Its totient is φ = 86608101888.

The previous prime is 260550266111. The next prime is 260550266153. The reversal of 260550266136 is 631662055062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42000811 + ... + 42007013.

It is an arithmetic number, because the mean of its divisors is an integer number (10206122850).

Almost surely, 2^260550266136 is an apocalyptic number.

It is an amenable number.

260550266136 is an abundant number, since it is smaller than the sum of its proper divisors (392641596264).

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

260550266136 is a wasteful number, since it uses less digits than its factorization.

260550266136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808 (or 10804 counting only the distinct ones).

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

The spelling of 260550266136 in words is "two hundred sixty billion, five hundred fifty million, two hundred sixty-six thousand, one hundred thirty-six".