16990692280 has 32 divisors (see below), whose sum is σ = 38232932400. Its totient is φ = 6795588096.

The previous prime is 16990692269. The next prime is 16990692283. The reversal of 16990692280 is 8229609961.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16990692283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598651 + ... + 626389.

Almost surely, 2^16990692280 is an apocalyptic number.

16990692280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16990692280 is an abundant number, since it is smaller than the sum of its proper divisors (21242240120).

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

16990692280 is a wasteful number, since it uses less digits than its factorization.

16990692280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43063 (or 43059 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 16990692280 in words is "sixteen billion, nine hundred ninety million, six hundred ninety-two thousand, two hundred eighty".