16997085 has 24 divisors (see below), whose sum is σ = 33671040. Its totient is φ = 7769952.

The previous prime is 16997081. The next prime is 16997107. The reversal of 16997085 is 58079961.

It is not a de Polignac number, because 16997085 - 2² = 16997081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16997085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16997081) 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 in 23 ways as a sum of consecutive naturals, for example, 26665 + ... + 27294.

It is an arithmetic number, because the mean of its divisors is an integer number (1402960).

Almost surely, 2^16997085 is an apocalyptic number.

16997085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16997085 is a deficient number, since it is larger than the sum of its proper divisors (16673955).

16997085 is a wasteful number, since it uses less digits than its factorization.

16997085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53977 (or 53974 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 16997085 is about 4122.7521147893. The cubic root of 16997085 is about 257.1134615868.

The spelling of 16997085 in words is "sixteen million, nine hundred ninety-seven thousand, eighty-five".