18061385283 has 24 divisors (see below), whose sum is σ = 27380369952. Its totient is φ = 11450807808.

The previous prime is 18061385267. The next prime is 18061385291. The reversal of 18061385283 is 38258316081.

18061385283 is a `hidden beast` number, since 1 + 8 + 0 + 613 + 8 + 5 + 28 + 3 = 666.

It is not a de Polignac number, because 18061385283 - 2⁴ = 18061385267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18061385203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216366 + ... + 287987.

It is an arithmetic number, because the mean of its divisors is an integer number (1140848748).

Almost surely, 2^18061385283 is an apocalyptic number.

18061385283 is a deficient number, since it is larger than the sum of its proper divisors (9318984669).

18061385283 is a wasteful number, since it uses less digits than its factorization.

18061385283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504555 (or 504552 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 18061385283 in words is "eighteen billion, sixty-one million, three hundred eighty-five thousand, two hundred eighty-three".