21663411124462 has 32 divisors (see below), whose sum is σ = 35018488166400. Its totient is φ = 10026383830848.

The previous prime is 21663411124379. The next prime is 21663411124469. The reversal of 21663411124462 is 26442111436612.

It is a super-3 number, since 3×21663411124462³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21663411124469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56100162 + ... + 56484997.

It is an arithmetic number, because the mean of its divisors is an integer number (1094327755200).

Almost surely, 2^{21663411124462} is an apocalyptic number.

21663411124462 is a deficient number, since it is larger than the sum of its proper divisors (13355077041938).

21663411124462 is a wasteful number, since it uses less digits than its factorization.

21663411124462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112585320.

The product of its digits is 331776, while the sum is 43.

The spelling of 21663411124462 in words is "twenty-one trillion, six hundred sixty-three billion, four hundred eleven million, one hundred twenty-four thousand, four hundred sixty-two".