16545638182 has 16 divisors (see below), whose sum is σ = 25137561600. Its totient is φ = 8166492360.

The previous prime is 16545638177. The next prime is 16545638203. The reversal of 16545638182 is 28183654561.

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, 1430619 + ... + 1442137.

It is an arithmetic number, because the mean of its divisors is an integer number (1571097600).

Almost surely, 2^16545638182 is an apocalyptic number.

16545638182 is a deficient number, since it is larger than the sum of its proper divisors (8591923418).

16545638182 is a wasteful number, since it uses less digits than its factorization.

16545638182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20691.

The product of its digits is 1382400, while the sum is 49.

The spelling of 16545638182 in words is "sixteen billion, five hundred forty-five million, six hundred thirty-eight thousand, one hundred eighty-two".