16946663 has 2 divisors, whose sum is σ = 16946664. Its totient is φ = 16946662.

The previous prime is 16946627. The next prime is 16946711. The reversal of 16946663 is 36664961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16946663 - 2⁶ = 16946599 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16946663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16946623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8473331 + 8473332.

It is an arithmetic number, because the mean of its divisors is an integer number (8473332).

Almost surely, 2^16946663 is an apocalyptic number.

16946663 is a deficient number, since it is larger than the sum of its proper divisors (1).

16946663 is an equidigital number, since it uses as much as digits as its factorization.

16946663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 16946663 is about 4116.6324829890. The cubic root of 16946663 is about 256.8589666627.

The spelling of 16946663 in words is "sixteen million, nine hundred forty-six thousand, six hundred sixty-three".