18660083145 has 16 divisors (see below), whose sum is σ = 32570327232. Its totient is φ = 9047312960.

The previous prime is 18660083129. The next prime is 18660083161. The reversal of 18660083145 is 54138006681.

It is an interprime number because it is at equal distance from previous prime (18660083129) and next prime (18660083161).

It is not a de Polignac number, because 18660083145 - 2⁴ = 18660083129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18660083097 and 18660083106.

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, 56545542 + ... + 56545871.

It is an arithmetic number, because the mean of its divisors is an integer number (2035645452).

Almost surely, 2^18660083145 is an apocalyptic number.

18660083145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18660083145 is a deficient number, since it is larger than the sum of its proper divisors (13910244087).

18660083145 is a wasteful number, since it uses less digits than its factorization.

18660083145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113091432.

The product of its (nonzero) digits is 138240, while the sum is 42.

It can be divided in two parts, 186600 and 83145, that added together give a triangular number (269745 = T₇₃₄).

The spelling of 18660083145 in words is "eighteen billion, six hundred sixty million, eighty-three thousand, one hundred forty-five".