16625737 has 2 divisors, whose sum is σ = 16625738. Its totient is φ = 16625736.

The previous prime is 16625731. The next prime is 16625743. The reversal of 16625737 is 73752661.

It is a balanced prime because it is at equal distance from previous prime (16625731) and next prime (16625743).

It can be written as a sum of positive squares in only one way, i.e., 15968016 + 657721 = 3996^2 + 811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16625737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16625696 and 16625705.

It is not a weakly prime, because it can be changed into another prime (16625731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8312868 + 8312869.

It is an arithmetic number, because the mean of its divisors is an integer number (8312869).

Almost surely, 2^16625737 is an apocalyptic number.

It is an amenable number.

16625737 is a deficient number, since it is larger than the sum of its proper divisors (1).

16625737 is an equidigital number, since it uses as much as digits as its factorization.

16625737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 16625737 is about 4077.4669833121. The cubic root of 16625737 is about 255.2272074663.

The spelling of 16625737 in words is "sixteen million, six hundred twenty-five thousand, seven hundred thirty-seven".