16896631 has 2 divisors, whose sum is σ = 16896632. Its totient is φ = 16896630.

The previous prime is 16896629. The next prime is 16896667. The reversal of 16896631 is 13669861.

It is a weak prime.

It is an emirp because it is prime and its reverse (13669861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16896631 - 2¹ = 16896629 is a prime.

It is a super-2 number, since 2×16896631² = 570992278300322, which contains 22 as substring.

Together with 16896629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16896601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8448315 + 8448316.

It is an arithmetic number, because the mean of its divisors is an integer number (8448316).

Almost surely, 2^16896631 is an apocalyptic number.

16896631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16896631 is an equidigital number, since it uses as much as digits as its factorization.

16896631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 16896631 is about 4110.5511795865. The cubic root of 16896631 is about 256.6059407320.

The spelling of 16896631 in words is "sixteen million, eight hundred ninety-six thousand, six hundred thirty-one".