16849930568 has 16 divisors (see below), whose sum is σ = 31595035500. Its totient is φ = 8424587776.

The previous prime is 16849930561. The next prime is 16849930627. The reversal of 16849930568 is 86503994861.

It can be written as a sum of positive squares in 2 ways, for example, as 15530642884 + 1319287684 = 124622^2 + 36322^2 .

It is not an unprimeable number, because it can be changed into a prime (16849930561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260588 + ... + 318756.

Almost surely, 2^16849930568 is an apocalyptic number.

It is an amenable number.

16849930568 is a deficient number, since it is larger than the sum of its proper divisors (14745104932).

16849930568 is a wasteful number, since it uses less digits than its factorization.

16849930568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94384 (or 94380 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 16849930568 in words is "sixteen billion, eight hundred forty-nine million, nine hundred thirty thousand, five hundred sixty-eight".