16552903 has 2 divisors, whose sum is σ = 16552904. Its totient is φ = 16552902.

The previous prime is 16552871. The next prime is 16552919. The reversal of 16552903 is 30925561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16552903 - 2⁵ = 16552871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16552973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8276451 + 8276452.

It is an arithmetic number, because the mean of its divisors is an integer number (8276452).

Almost surely, 2^16552903 is an apocalyptic number.

16552903 is a deficient number, since it is larger than the sum of its proper divisors (1).

16552903 is an equidigital number, since it uses as much as digits as its factorization.

16552903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 16552903 is about 4068.5259001265. The cubic root of 16552903 is about 254.8539622604.

The spelling of 16552903 in words is "sixteen million, five hundred fifty-two thousand, nine hundred three".