16610497 has 2 divisors, whose sum is σ = 16610498. Its totient is φ = 16610496.

The previous prime is 16610491. The next prime is 16610507. The reversal of 16610497 is 79401661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12383361 + 4227136 = 3519^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 16610497 - 2⁷ = 16610369 is a prime.

It is a super-2 number, since 2×16610497² = 551817221174018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16610491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8305248 + 8305249.

It is an arithmetic number, because the mean of its divisors is an integer number (8305249).

Almost surely, 2^16610497 is an apocalyptic number.

It is an amenable number.

16610497 is a deficient number, since it is larger than the sum of its proper divisors (1).

16610497 is an equidigital number, since it uses as much as digits as its factorization.

16610497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 16610497 is about 4075.5977475703. The cubic root of 16610497 is about 255.1491988597.

The spelling of 16610497 in words is "sixteen million, six hundred ten thousand, four hundred ninety-seven".