16495957 has 2 divisors, whose sum is σ = 16495958. Its totient is φ = 16495956.

The previous prime is 16495949. The next prime is 16495993. The reversal of 16495957 is 75959461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10150596 + 6345361 = 3186^2 + 2519^2 .

It is an emirp because it is prime and its reverse (75959461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16495957 - 2³ = 16495949 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16495907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8247978 + 8247979.

It is an arithmetic number, because the mean of its divisors is an integer number (8247979).

Almost surely, 2^16495957 is an apocalyptic number.

It is an amenable number.

16495957 is a deficient number, since it is larger than the sum of its proper divisors (1).

16495957 is an equidigital number, since it uses as much as digits as its factorization.

16495957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 46.

The square root of 16495957 is about 4061.5215129308. The cubic root of 16495957 is about 254.5613733358.

The spelling of 16495957 in words is "sixteen million, four hundred ninety-five thousand, nine hundred fifty-seven".