18091126 has 16 divisors (see below), whose sum is σ = 27933984. Its totient is φ = 8783424.

The previous prime is 18091123. The next prime is 18091141. The reversal of 18091126 is 62119081.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18091094 and 18091103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18091121) 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, 10090 + ... + 11746.

It is an arithmetic number, because the mean of its divisors is an integer number (1745874).

Almost surely, 2^18091126 is an apocalyptic number.

18091126 is a deficient number, since it is larger than the sum of its proper divisors (9842858).

18091126 is a wasteful number, since it uses less digits than its factorization.

18091126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815.

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

The square root of 18091126 is about 4253.3664314282. The cubic root of 18091126 is about 262.5156501629.

The spelling of 18091126 in words is "eighteen million, ninety-one thousand, one hundred twenty-six".