16696291 has 2 divisors, whose sum is σ = 16696292. Its totient is φ = 16696290.

The previous prime is 16696283. The next prime is 16696313. The reversal of 16696291 is 19269661.

It is a weak prime.

It is an emirp because it is prime and its reverse (19269661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16696291 - 2³ = 16696283 is a prime.

It is a super-2 number, since 2×16696291² = 557532266313362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16696271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8348145 + 8348146.

It is an arithmetic number, because the mean of its divisors is an integer number (8348146).

Almost surely, 2^16696291 is an apocalyptic number.

16696291 is a deficient number, since it is larger than the sum of its proper divisors (1).

16696291 is an equidigital number, since it uses as much as digits as its factorization.

16696291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 40.

The square root of 16696291 is about 4086.1095188455. The cubic root of 16696291 is about 255.5877305915.

The spelling of 16696291 in words is "sixteen million, six hundred ninety-six thousand, two hundred ninety-one".