21676985334 has 48 divisors (see below), whose sum is σ = 48638221632. Its totient is φ = 6972570864.

The previous prime is 21676985303. The next prime is 21676985357. The reversal of 21676985334 is 43358967612.

21676985334 is a `hidden beast` number, since 2 + 16 + 7 + 6 + 98 + 533 + 4 = 666.

It is a congruent number.

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, 104472 + ... + 232955.

It is an arithmetic number, because the mean of its divisors is an integer number (1013296284).

Almost surely, 2^21676985334 is an apocalyptic number.

21676985334 is an abundant number, since it is smaller than the sum of its proper divisors (26961236298).

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

21676985334 is a wasteful number, since it uses less digits than its factorization.

21676985334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337561 (or 337558 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 21676985334 in words is "twenty-one billion, six hundred seventy-six million, nine hundred eighty-five thousand, three hundred thirty-four".