21602365112673 has 96 divisors (see below), whose sum is σ = 33381180024192. Its totient is φ = 13414844160000.

The previous prime is 21602365112597. The next prime is 21602365112683. The reversal of 21602365112673 is 37621156320612.

21602365112673 is a `hidden beast` number, since 2 + 1 + 60 + 2 + 3 + 6 + 511 + 2 + 6 + 73 = 666.

It is not a de Polignac number, because 21602365112673 - 2²⁴ = 21602348335457 is a prime.

It is a super-2 number, since 2×21602365112673² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21602365112683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9596784798 + ... + 9596787048.

It is an arithmetic number, because the mean of its divisors is an integer number (347720625252).

Almost surely, 2^{21602365112673} is an apocalyptic number.

It is an amenable number.

21602365112673 is a deficient number, since it is larger than the sum of its proper divisors (11778814911519).

21602365112673 is a wasteful number, since it uses less digits than its factorization.

21602365112673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935 (or 3932 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 21602365112673 in words is "twenty-one trillion, six hundred two billion, three hundred sixty-five million, one hundred twelve thousand, six hundred seventy-three".