18196190 has 16 divisors (see below), whose sum is σ = 33309360. Its totient is φ = 7154880.

The previous prime is 18196187. The next prime is 18196201. The reversal of 18196190 is 9169181.

It is a super-2 number, since 2×18196190² = 662202661032200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18196190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14831 + ... + 16010.

It is an arithmetic number, because the mean of its divisors is an integer number (2081835).

Almost surely, 2^18196190 is an apocalyptic number.

18196190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18196190 is a deficient number, since it is larger than the sum of its proper divisors (15113170).

18196190 is a wasteful number, since it uses less digits than its factorization.

18196190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30907.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 18196190 is about 4265.6992392807. The cubic root of 18196190 is about 263.0228550740.

The spelling of 18196190 in words is "eighteen million, one hundred ninety-six thousand, one hundred ninety".