16552499 has 2 divisors, whose sum is σ = 16552500. Its totient is φ = 16552498.

The previous prime is 16552493. The next prime is 16552513. The reversal of 16552499 is 99425561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16552499 - 2¹² = 16548403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16552493) 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, 8276249 + 8276250.

It is an arithmetic number, because the mean of its divisors is an integer number (8276250).

Almost surely, 2^16552499 is an apocalyptic number.

16552499 is a deficient number, since it is larger than the sum of its proper divisors (1).

16552499 is an equidigital number, since it uses as much as digits as its factorization.

16552499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 41.

The square root of 16552499 is about 4068.4762503915. The cubic root of 16552499 is about 254.8518888710.

The spelling of 16552499 in words is "sixteen million, five hundred fifty-two thousand, four hundred ninety-nine".