16498297 has 2 divisors, whose sum is σ = 16498298. Its totient is φ = 16498296.

The previous prime is 16498259. The next prime is 16498309. The reversal of 16498297 is 79289461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15832441 + 665856 = 3979^2 + 816^2 .

It is a cyclic number.

It is not a de Polignac number, because 16498297 - 2¹⁵ = 16465529 is a prime.

It is not a weakly prime, because it can be changed into another prime (16498997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249148 + 8249149.

It is an arithmetic number, because the mean of its divisors is an integer number (8249149).

Almost surely, 2^16498297 is an apocalyptic number.

It is an amenable number.

16498297 is a deficient number, since it is larger than the sum of its proper divisors (1).

16498297 is an equidigital number, since it uses as much as digits as its factorization.

16498297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 16498297 is about 4061.8095720996. The cubic root of 16498297 is about 254.5734095264.

It can be divided in two parts, 1649829 and 7, that added together give a triangular number (1649836 = T₁₈₁₆).

The spelling of 16498297 in words is "sixteen million, four hundred ninety-eight thousand, two hundred ninety-seven".