16536497 has 2 divisors, whose sum is σ = 16536498. Its totient is φ = 16536496.

The previous prime is 16536491. The next prime is 16536511. The reversal of 16536497 is 79463561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10699441 + 5837056 = 3271^2 + 2416^2 .

It is a cyclic number.

It is not a de Polignac number, because 16536497 - 2¹⁰ = 16535473 is a prime.

It is not a weakly prime, because it can be changed into another prime (16536491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8268248 + 8268249.

It is an arithmetic number, because the mean of its divisors is an integer number (8268249).

Almost surely, 2^16536497 is an apocalyptic number.

It is an amenable number.

16536497 is a deficient number, since it is larger than the sum of its proper divisors (1).

16536497 is an equidigital number, since it uses as much as digits as its factorization.

16536497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 16536497 is about 4066.5091909401. The cubic root of 16536497 is about 254.7697370299.

The spelling of 16536497 in words is "sixteen million, five hundred thirty-six thousand, four hundred ninety-seven".