16254532237 has 2 divisors, whose sum is σ = 16254532238. Its totient is φ = 16254532236.

The previous prime is 16254532169. The next prime is 16254532309. The reversal of 16254532237 is 73223545261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16045035561 + 209496676 = 126669^2 + 14474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16254532237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16254532237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16254536237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127266118 + 8127266119.

It is an arithmetic number, because the mean of its divisors is an integer number (8127266119).

Almost surely, 2^16254532237 is an apocalyptic number.

It is an amenable number.

16254532237 is a deficient number, since it is larger than the sum of its proper divisors (1).

16254532237 is an equidigital number, since it uses as much as digits as its factorization.

16254532237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 40.

The spelling of 16254532237 in words is "sixteen billion, two hundred fifty-four million, five hundred thirty-two thousand, two hundred thirty-seven".