21992199170704 has 40 divisors (see below), whose sum is σ = 48699030973248. Its totient is φ = 9424837534080.

The previous prime is 21992199170611. The next prime is 21992199170717. The reversal of 21992199170704 is 40707199129912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347442 + ... + 6767569.

Almost surely, 2^{21992199170704} is an apocalyptic number.

It is an amenable number.

21992199170704 is an abundant number, since it is smaller than the sum of its proper divisors (26706831802544).

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

21992199170704 is a wasteful number, since it uses less digits than its factorization.

21992199170704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139223 (or 8139217 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 61.

The spelling of 21992199170704 in words is "twenty-one trillion, nine hundred ninety-two billion, one hundred ninety-nine million, one hundred seventy thousand, seven hundred four".