21360716706362 has 32 divisors (see below), whose sum is σ = 35146886973120. Its totient is φ = 9655843230720.

The previous prime is 21360716706349. The next prime is 21360716706503. The reversal of 21360716706362 is 26360761706312.

It is a self number, because there is not a number n which added to its sum of digits gives 21360716706362.

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, 11731964 + ... + 13429832.

It is an arithmetic number, because the mean of its divisors is an integer number (1098340217910).

Almost surely, 2^{21360716706362} is an apocalyptic number.

21360716706362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21360716706362 is a deficient number, since it is larger than the sum of its proper divisors (13786170266758).

21360716706362 is a wasteful number, since it uses less digits than its factorization.

21360716706362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701038.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 21360716706362 in words is "twenty-one trillion, three hundred sixty billion, seven hundred sixteen million, seven hundred six thousand, three hundred sixty-two".