16996866 has 16 divisors (see below), whose sum is σ = 35090688. Its totient is φ = 5482800.

The previous prime is 16996853. The next prime is 16996879. The reversal of 16996866 is 66869961.

It is an interprime number because it is at equal distance from previous prime (16996853) and next prime (16996879).

It is a Curzon number.

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, 45505 + ... + 45876.

It is an arithmetic number, because the mean of its divisors is an integer number (2193168).

Almost surely, 2^16996866 is an apocalyptic number.

16996866 is an abundant number, since it is smaller than the sum of its proper divisors (18093822).

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

16996866 is a wasteful number, since it uses less digits than its factorization.

16996866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91417.

The product of its digits is 839808, while the sum is 51.

The square root of 16996866 is about 4122.7255547756. The cubic root of 16996866 is about 257.1123573173.

The spelling of 16996866 in words is "sixteen million, nine hundred ninety-six thousand, eight hundred sixty-six".