16801679 has 2 divisors, whose sum is σ = 16801680. Its totient is φ = 16801678.

The previous prime is 16801651. The next prime is 16801711. The reversal of 16801679 is 97610861.

It is a weak prime.

It is an emirp because it is prime and its reverse (97610861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16801679 - 2²⁰ = 15753103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16801649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8400839 + 8400840.

It is an arithmetic number, because the mean of its divisors is an integer number (8400840).

Almost surely, 2^16801679 is an apocalyptic number.

16801679 is a deficient number, since it is larger than the sum of its proper divisors (1).

16801679 is an equidigital number, since it uses as much as digits as its factorization.

16801679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 16801679 is about 4098.9851182945. The cubic root of 16801679 is about 256.1243648261.

The spelling of 16801679 in words is "sixteen million, eight hundred one thousand, six hundred seventy-nine".