183145661110203 has 20 divisors (see below), whose sum is σ = 268611968480040. Its totient is φ = 110997370343200.

The previous prime is 183145661110199. The next prime is 183145661110249. The reversal of 183145661110203 is 302011166541381.

It is not a de Polignac number, because 183145661110203 - 2² = 183145661110199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (183145661110253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2084805258 + ... + 2084893103.

It is an arithmetic number, because the mean of its divisors is an integer number (13430598424002).

Almost surely, 2^{183145661110203} is an apocalyptic number.

183145661110203 is a deficient number, since it is larger than the sum of its proper divisors (85466307369837).

183145661110203 is an frugal number, since it uses more digits than its factorization.

183145661110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169698408 (or 4169698375 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 183145661110203 in words is "one hundred eighty-three trillion, one hundred forty-five billion, six hundred sixty-one million, one hundred ten thousand, two hundred three".