10138520660 has 48 divisors (see below), whose sum is σ = 21511526400. Its totient is φ = 4013602560.

The previous prime is 10138520653. The next prime is 10138520683. The reversal of 10138520660 is 6602583101.

It is a happy number.

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, 753512 + ... + 766848.

It is an arithmetic number, because the mean of its divisors is an integer number (448156800).

Almost surely, 2^10138520660 is an apocalyptic number.

10138520660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10138520660 is an abundant number, since it is smaller than the sum of its proper divisors (11373005740).

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

10138520660 is a wasteful number, since it uses less digits than its factorization.

10138520660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13736 (or 13734 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 10138520660 in words is "ten billion, one hundred thirty-eight million, five hundred twenty thousand, six hundred sixty".