16663190 has 16 divisors (see below), whose sum is σ = 31572720. Its totient is φ = 6314400.

The previous prime is 16663189. The next prime is 16663219. The reversal of 16663190 is 9136661.

It is a super-2 number, since 2×16663190² = 555323801952200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 43661 + ... + 44040.

It is an arithmetic number, because the mean of its divisors is an integer number (1973295).

Almost surely, 2^16663190 is an apocalyptic number.

16663190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16663190 is a deficient number, since it is larger than the sum of its proper divisors (14909530).

16663190 is a wasteful number, since it uses less digits than its factorization.

16663190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87727.

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

The square root of 16663190 is about 4082.0570794637. The cubic root of 16663190 is about 255.4187148796.

The spelling of 16663190 in words is "sixteen million, six hundred sixty-three thousand, one hundred ninety".