5261606520 has 64 divisors (see below), whose sum is σ = 15789928320. Its totient is φ = 1402641024.

The previous prime is 5261606479. The next prime is 5261606527. The reversal of 5261606520 is 256061625.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261606527) 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, 540819 + ... + 550461.

It is an arithmetic number, because the mean of its divisors is an integer number (246717630).

Almost surely, 2^5261606520 is an apocalyptic number.

It is an amenable number.

5261606520 is an abundant number, since it is smaller than the sum of its proper divisors (10528321800).

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

5261606520 is a wasteful number, since it uses less digits than its factorization.

5261606520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14204 (or 14200 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 5261606520 is about 72536.9321104773. The cubic root of 5261606520 is about 1739.2931598539.

The spelling of 5261606520 in words is "five billion, two hundred sixty-one million, six hundred six thousand, five hundred twenty".