21606628482 has 48 divisors (see below), whose sum is σ = 49580024832. Its totient is φ = 6776926080.

The previous prime is 21606628471. The next prime is 21606628501. The reversal of 21606628482 is 28482660612.

21606628482 is a `hidden beast` number, since 2 + 16 + 0 + 6 + 628 + 4 + 8 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2286307 + ... + 2295737.

It is an arithmetic number, because the mean of its divisors is an integer number (1032917184).

Almost surely, 2^21606628482 is an apocalyptic number.

21606628482 is an abundant number, since it is smaller than the sum of its proper divisors (27973396350).

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

21606628482 is a wasteful number, since it uses less digits than its factorization.

21606628482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16943 (or 16940 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 21606628482 in words is "twenty-one billion, six hundred six million, six hundred twenty-eight thousand, four hundred eighty-two".