16613690 has 16 divisors (see below), whose sum is σ = 30028320. Its totient is φ = 6618000.

The previous prime is 16613687. The next prime is 16613693. The reversal of 16613690 is 9631661.

It is an interprime number because it is at equal distance from previous prime (16613687) and next prime (16613693).

It is a super-2 number, since 2×16613690² = 552029390832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16613693) 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 7 ways as a sum of consecutive naturals, for example, 800 + ... + 5819.

It is an arithmetic number, because the mean of its divisors is an integer number (1876770).

Almost surely, 2^16613690 is an apocalyptic number.

16613690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16613690 is a deficient number, since it is larger than the sum of its proper divisors (13414630).

16613690 is a wasteful number, since it uses less digits than its factorization.

16613690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 16613690 is about 4075.9894504280. The cubic root of 16613690 is about 255.1655467389.

The spelling of 16613690 in words is "sixteen million, six hundred thirteen thousand, six hundred ninety".