18532841806 has 8 divisors (see below), whose sum is σ = 27826817040. Its totient is φ = 9257236128.

The previous prime is 18532841779. The next prime is 18532841837. The reversal of 18532841806 is 60814823581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4589866 + ... + 4593901.

It is an arithmetic number, because the mean of its divisors is an integer number (3478352130).

Almost surely, 2^18532841806 is an apocalyptic number.

18532841806 is a deficient number, since it is larger than the sum of its proper divisors (9293975234).

18532841806 is a wasteful number, since it uses less digits than its factorization.

18532841806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184778.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 18532841806 in words is "eighteen billion, five hundred thirty-two million, eight hundred forty-one thousand, eight hundred six".