16955499 has 16 divisors (see below), whose sum is σ = 25069824. Its totient is φ = 10106400.

The previous prime is 16955453. The next prime is 16955507. The reversal of 16955499 is 99455961.

It is not a de Polignac number, because 16955499 - 2¹⁹ = 16431211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16955399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2199 + ... + 6224.

It is an arithmetic number, because the mean of its divisors is an integer number (1566864).

Almost surely, 2^16955499 is an apocalyptic number.

16955499 is a deficient number, since it is larger than the sum of its proper divisors (8114325).

16955499 is a wasteful number, since it uses less digits than its factorization.

16955499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8498.

The product of its digits is 437400, while the sum is 48.

The square root of 16955499 is about 4117.7055504249. The cubic root of 16955499 is about 256.9036010446.

It can be divided in two parts, 169554 and 99, that added together give a triangular number (169653 = T₅₈₂).

The spelling of 16955499 in words is "sixteen million, nine hundred fifty-five thousand, four hundred ninety-nine".