16625265737 has 2 divisors, whose sum is σ = 16625265738. Its totient is φ = 16625265736.

The previous prime is 16625265637. The next prime is 16625265739. The reversal of 16625265737 is 73756252661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16625265721 + 16 = 128939^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 16625265737 - 2¹² = 16625261641 is a prime.

Together with 16625265739, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16625265739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8312632868 + 8312632869.

It is an arithmetic number, because the mean of its divisors is an integer number (8312632869).

Almost surely, 2^16625265737 is an apocalyptic number.

It is an amenable number.

16625265737 is a deficient number, since it is larger than the sum of its proper divisors (1).

16625265737 is an equidigital number, since it uses as much as digits as its factorization.

16625265737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 50.

The spelling of 16625265737 in words is "sixteen billion, six hundred twenty-five million, two hundred sixty-five thousand, seven hundred thirty-seven".