18272820110 has 16 divisors (see below), whose sum is σ = 33952079232. Its totient is φ = 7073349600.

The previous prime is 18272820103. The next prime is 18272820131. The reversal of 18272820110 is 1102827281.

It is a happy number.

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, 29471981 + ... + 29472600.

It is an arithmetic number, because the mean of its divisors is an integer number (2122004952).

Almost surely, 2^18272820110 is an apocalyptic number.

18272820110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18272820110 is a deficient number, since it is larger than the sum of its proper divisors (15679259122).

18272820110 is a wasteful number, since it uses less digits than its factorization.

18272820110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58944619.

The product of its (nonzero) digits is 3584, while the sum is 32.

The spelling of 18272820110 in words is "eighteen billion, two hundred seventy-two million, eight hundred twenty thousand, one hundred ten".