1836383638188 has 48 divisors (see below), whose sum is σ = 4674519932544. Its totient is φ = 556469312640.

The previous prime is 1836383638169. The next prime is 1836383638213. The reversal of 1836383638188 is 8818363836381.

It is a super-3 number, since 3×1836383638188³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9469656 + ... + 9661632.

It is an arithmetic number, because the mean of its divisors is an integer number (97385831928).

Almost surely, 2^{1836383638188} is an apocalyptic number.

It is an amenable number.

1836383638188 is an abundant number, since it is smaller than the sum of its proper divisors (2838136294356).

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

1836383638188 is a wasteful number, since it uses less digits than its factorization.

1836383638188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264462 (or 264460 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 66.

The spelling of 1836383638188 in words is "one trillion, eight hundred thirty-six billion, three hundred eighty-three million, six hundred thirty-eight thousand, one hundred eighty-eight".