16768967 has 2 divisors, whose sum is σ = 16768968. Its totient is φ = 16768966.

The previous prime is 16768901. The next prime is 16768979. The reversal of 16768967 is 76986761.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16768967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16768267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8384483 + 8384484.

It is an arithmetic number, because the mean of its divisors is an integer number (8384484).

Almost surely, 2^16768967 is an apocalyptic number.

16768967 is a deficient number, since it is larger than the sum of its proper divisors (1).

16768967 is an equidigital number, since it uses as much as digits as its factorization.

16768967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 16768967 is about 4094.9929181868. The cubic root of 16768967 is about 255.9580365381.

The spelling of 16768967 in words is "sixteen million, seven hundred sixty-eight thousand, nine hundred sixty-seven".