16926997 has 2 divisors, whose sum is σ = 16926998. Its totient is φ = 16926996.

The previous prime is 16926991. The next prime is 16927013. The reversal of 16926997 is 79962961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13205956 + 3721041 = 3634^2 + 1929^2 .

It is a cyclic number.

It is not a de Polignac number, because 16926997 - 2³ = 16926989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16926997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16926991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8463498 + 8463499.

It is an arithmetic number, because the mean of its divisors is an integer number (8463499).

Almost surely, 2^16926997 is an apocalyptic number.

It is an amenable number.

16926997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16926997 is an equidigital number, since it uses as much as digits as its factorization.

16926997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 49.

The square root of 16926997 is about 4114.2431867842. The cubic root of 16926997 is about 256.7595696371.

The spelling of 16926997 in words is "sixteen million, nine hundred twenty-six thousand, nine hundred ninety-seven".