21610503060 has 48 divisors (see below), whose sum is σ = 60560329536. Its totient is φ = 5757951232.

The previous prime is 21610503053. The next prime is 21610503137. The reversal of 21610503060 is 6030501612.

It is a self number, because there is not a number n which added to its sum of digits gives 21610503060.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79374 + ... + 222533.

It is an arithmetic number, because the mean of its divisors is an integer number (1261673532).

Almost surely, 2^21610503060 is an apocalyptic number.

21610503060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21610503060 is an abundant number, since it is smaller than the sum of its proper divisors (38949826476).

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

21610503060 is a wasteful number, since it uses less digits than its factorization.

21610503060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303112 (or 303110 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The spelling of 21610503060 in words is "twenty-one billion, six hundred ten million, five hundred three thousand, sixty".