18118190414 has 16 divisors (see below), whose sum is σ = 27934955808. Its totient is φ = 8806944672.

The previous prime is 18118190393. The next prime is 18118190437. The reversal of 18118190414 is 41409181181.

It is a super-2 number, since 2×18118190414² (a number of 21 digits) contains 22 as substring.

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, 11162 + ... + 190685.

It is an arithmetic number, because the mean of its divisors is an integer number (1745934738).

Almost surely, 2^18118190414 is an apocalyptic number.

18118190414 is a deficient number, since it is larger than the sum of its proper divisors (9816765394).

18118190414 is a wasteful number, since it uses less digits than its factorization.

18118190414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203099.

The product of its (nonzero) digits is 9216, while the sum is 38.

The spelling of 18118190414 in words is "eighteen billion, one hundred eighteen million, one hundred ninety thousand, four hundred fourteen".