183020081 has 16 divisors (see below), whose sum is σ = 189782016. Its totient is φ = 176432256.

The previous prime is 183020053. The next prime is 183020087. The reversal of 183020081 is 180020381.

It is a cyclic number.

It is not a de Polignac number, because 183020081 - 2¹⁸ = 182757937 is a prime.

It is a super-2 number, since 2×183020081² = 66992700098493122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (183020087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165655 + ... + 1165811.

It is an arithmetic number, because the mean of its divisors is an integer number (11861376).

Almost surely, 2^183020081 is an apocalyptic number.

It is an amenable number.

183020081 is a deficient number, since it is larger than the sum of its proper divisors (6761935).

183020081 is a wasteful number, since it uses less digits than its factorization.

183020081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 183020081 is about 13528.4914532257. The cubic root of 183020081 is about 567.7619028273.

The spelling of 183020081 in words is "one hundred eighty-three million, twenty thousand, eighty-one".