21883898736 has 160 divisors (see below), whose sum is σ = 75566988800. Its totient is φ = 5923445760.

The previous prime is 21883898723. The next prime is 21883898753. The reversal of 21883898736 is 63789838812.

21883898736 is a `hidden beast` number, since 2 + 188 + 389 + 8 + 73 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132985 + ... + 247896.

It is an arithmetic number, because the mean of its divisors is an integer number (472293680).

Almost surely, 2^21883898736 is an apocalyptic number.

It is an amenable number.

21883898736 is an abundant number, since it is smaller than the sum of its proper divisors (53683090064).

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

21883898736 is a wasteful number, since it uses less digits than its factorization.

21883898736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380924 (or 380912 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 21883898736 in words is "twenty-one billion, eight hundred eighty-three million, eight hundred ninety-eight thousand, seven hundred thirty-six".