18126190 has 16 divisors (see below), whose sum is σ = 34344720. Its totient is φ = 6868800.

The previous prime is 18126187. The next prime is 18126193. The reversal of 18126190 is 9162181.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18126187) and next prime (18126193).

It is a super-2 number, since 2×18126190² = 657117527832200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18126193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47511 + ... + 47890.

It is an arithmetic number, because the mean of its divisors is an integer number (2146545).

Almost surely, 2^18126190 is an apocalyptic number.

18126190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18126190 is a deficient number, since it is larger than the sum of its proper divisors (16218530).

18126190 is a wasteful number, since it uses less digits than its factorization.

18126190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95427.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 18126190 is about 4257.4863476000. The cubic root of 18126190 is about 262.6851422525.

The spelling of 18126190 in words is "eighteen million, one hundred twenty-six thousand, one hundred ninety".