18114461826 has 32 divisors (see below), whose sum is σ = 38368028160. Its totient is φ = 5681784576.

The previous prime is 18114461821. The next prime is 18114461857. The reversal of 18114461826 is 62816441181.

It is a super-2 number, since 2×18114461826² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18114461821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562575 + ... + 593901.

It is an arithmetic number, because the mean of its divisors is an integer number (1199000880).

Almost surely, 2^18114461826 is an apocalyptic number.

18114461826 is an abundant number, since it is smaller than the sum of its proper divisors (20253566334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18114461826 is a wasteful number, since it uses less digits than its factorization.

18114461826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37018.

The product of its digits is 73728, while the sum is 42.

The spelling of 18114461826 in words is "eighteen billion, one hundred fourteen million, four hundred sixty-one thousand, eight hundred twenty-six".