16169137 has 2 divisors, whose sum is σ = 16169138. Its totient is φ = 16169136.

The previous prime is 16169119. The next prime is 16169143. The reversal of 16169137 is 73196161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 1083681 = 3884^2 + 1041^2 .

It is an emirp because it is prime and its reverse (73196161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16169137 is a prime.

It is a super-2 number, since 2×16169137² = 522881982649538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16169537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8084568 + 8084569.

It is an arithmetic number, because the mean of its divisors is an integer number (8084569).

Almost surely, 2^16169137 is an apocalyptic number.

It is an amenable number.

16169137 is a deficient number, since it is larger than the sum of its proper divisors (1).

16169137 is an equidigital number, since it uses as much as digits as its factorization.

16169137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 34.

The square root of 16169137 is about 4021.0865447041. The cubic root of 16169137 is about 252.8690131057.

The spelling of 16169137 in words is "sixteen million, one hundred sixty-nine thousand, one hundred thirty-seven".