16495537 has 2 divisors, whose sum is σ = 16495538. Its totient is φ = 16495536.

The previous prime is 16495513. The next prime is 16495573. The reversal of 16495537 is 73559461.

Together with next prime (16495573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8520561 + 7974976 = 2919^2 + 2824^2 .

It is a cyclic number.

It is not a de Polignac number, because 16495537 - 2¹⁵ = 16462769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16495537.

It is not a weakly prime, because it can be changed into another prime (16495597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8247768 + 8247769.

It is an arithmetic number, because the mean of its divisors is an integer number (8247769).

Almost surely, 2^16495537 is an apocalyptic number.

It is an amenable number.

16495537 is a deficient number, since it is larger than the sum of its proper divisors (1).

16495537 is an equidigital number, since it uses as much as digits as its factorization.

16495537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 16495537 is about 4061.4698078405. The cubic root of 16495537 is about 254.5592128734.

The spelling of 16495537 in words is "sixteen million, four hundred ninety-five thousand, five hundred thirty-seven".