18146799128836 has 27 divisors (see below), whose sum is σ = 36941819634279. Its totient is φ = 7777174067208.

The previous prime is 18146799128819. The next prime is 18146799128837. The reversal of 18146799128836 is 63882199764181.

The square root of 18146799128836 is 4259906.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (18146799128837) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59486545 + ... + 59790823.

Almost surely, 2^{18146799128836} is an apocalyptic number.

18146799128836 is the 4259906-th square number.

It is an amenable number.

18146799128836 is an abundant number, since it is smaller than the sum of its proper divisors (18795020505443).

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

18146799128836 is an frugal number, since it uses more digits than its factorization.

18146799128836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608576 (or 304288 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 73.

The spelling of 18146799128836 in words is "eighteen trillion, one hundred forty-six billion, seven hundred ninety-nine million, one hundred twenty-eight thousand, eight hundred thirty-six".