1836161368 has 32 divisors (see below), whose sum is σ = 3626251200. Its totient is φ = 869221152.

The previous prime is 1836161339. The next prime is 1836161399. The reversal of 1836161368 is 8631616381.

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, 354171 + ... + 359317.

It is an arithmetic number, because the mean of its divisors is an integer number (113320350).

Almost surely, 2^1836161368 is an apocalyptic number.

It is an amenable number.

1836161368 is a deficient number, since it is larger than the sum of its proper divisors (1790089832).

1836161368 is a wasteful number, since it uses less digits than its factorization.

1836161368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519 (or 7515 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 1836161368 is about 42850.4535331891. The cubic root of 1836161368 is about 1224.5324036267.

The spelling of 1836161368 in words is "one billion, eight hundred thirty-six million, one hundred sixty-one thousand, three hundred sixty-eight".