16985392552 has 16 divisors (see below), whose sum is σ = 31900788000. Its totient is φ = 8478515760.

The previous prime is 16985392549. The next prime is 16985392561. The reversal of 16985392552 is 25529358961.

It is a junction number, because it is equal to n+sod(n) for n = 16985392493 and 16985392502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767474 + ... + 1777057.

It is an arithmetic number, because the mean of its divisors is an integer number (1993799250).

Almost surely, 2^16985392552 is an apocalyptic number.

It is an amenable number.

16985392552 is a deficient number, since it is larger than the sum of its proper divisors (14915395448).

16985392552 is a wasteful number, since it uses less digits than its factorization.

16985392552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545136 (or 3545132 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 55.

The spelling of 16985392552 in words is "sixteen billion, nine hundred eighty-five million, three hundred ninety-two thousand, five hundred fifty-two".