1821354818182 has 16 divisors (see below), whose sum is σ = 2860291329840. Its totient is φ = 868681065952.

The previous prime is 1821354818141. The next prime is 1821354818207. The reversal of 1821354818182 is 2818184531281.

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, 189167893 + ... + 189177520.

It is an arithmetic number, because the mean of its divisors is an integer number (178768208115).

Almost surely, 2^{1821354818182} is an apocalyptic number.

1821354818182 is a deficient number, since it is larger than the sum of its proper divisors (1038936511658).

1821354818182 is a wasteful number, since it uses less digits than its factorization.

1821354818182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378345527.

The product of its digits is 983040, while the sum is 52.

The spelling of 1821354818182 in words is "one trillion, eight hundred twenty-one billion, three hundred fifty-four million, eight hundred eighteen thousand, one hundred eighty-two".