16919634056 has 32 divisors (see below), whose sum is σ = 34173158040. Its totient is φ = 7807116288.

The previous prime is 16919634037. The next prime is 16919634071. The reversal of 16919634056 is 65043691961.

It can be written as a sum of positive squares in 4 ways, for example, as 5887492900 + 11032141156 = 76730^2 + 105034^2 .

It is a super-2 number, since 2×16919634056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16919633995 and 16919634013.

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, 451760 + ... + 487776.

Almost surely, 2^16919634056 is an apocalyptic number.

It is an amenable number.

16919634056 is an abundant number, since it is smaller than the sum of its proper divisors (17253523984).

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

16919634056 is a wasteful number, since it uses less digits than its factorization.

16919634056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40553 (or 40549 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 16919634056 in words is "sixteen billion, nine hundred nineteen million, six hundred thirty-four thousand, fifty-six".