18641541022 has 16 divisors (see below), whose sum is σ = 31698167760. Its totient is φ = 8150956992.

The previous prime is 18641540999. The next prime is 18641541031. The reversal of 18641541022 is 22014514681.

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, 18867463 + ... + 18868450.

It is an arithmetic number, because the mean of its divisors is an integer number (1981135485).

Almost surely, 2^18641541022 is an apocalyptic number.

18641541022 is a deficient number, since it is larger than the sum of its proper divisors (13056626738).

18641541022 is a wasteful number, since it uses less digits than its factorization.

18641541022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37735947.

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 18641541022 in words is "eighteen billion, six hundred forty-one million, five hundred forty-one thousand, twenty-two".