18026801862 has 32 divisors (see below), whose sum is σ = 38237909760. Its totient is φ = 5653449120.

The previous prime is 18026801851. The next prime is 18026801873. The reversal of 18026801862 is 26810862081.

It is an interprime number because it is at equal distance from previous prime (18026801851) and next prime (18026801873).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062312 + ... + 1079147.

It is an arithmetic number, because the mean of its divisors is an integer number (1194934680).

Almost surely, 2^18026801862 is an apocalyptic number.

18026801862 is an abundant number, since it is smaller than the sum of its proper divisors (20211107898).

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

18026801862 is a wasteful number, since it uses less digits than its factorization.

18026801862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141548.

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

The spelling of 18026801862 in words is "eighteen billion, twenty-six million, eight hundred one thousand, eight hundred sixty-two".