182133661 has 2 divisors, whose sum is σ = 182133662. Its totient is φ = 182133660.

The previous prime is 182133593. The next prime is 182133683. The reversal of 182133661 is 166331281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95922436 + 86211225 = 9794^2 + 9285^2 .

It is a cyclic number.

It is not a de Polignac number, because 182133661 - 2⁷ = 182133533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (182134661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91066830 + 91066831.

It is an arithmetic number, because the mean of its divisors is an integer number (91066831).

Almost surely, 2^182133661 is an apocalyptic number.

It is an amenable number.

182133661 is a deficient number, since it is larger than the sum of its proper divisors (1).

182133661 is an equidigital number, since it uses as much as digits as its factorization.

182133661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 182133661 is about 13495.6904602914. The cubic root of 182133661 is about 566.8438064812.

The spelling of 182133661 in words is "one hundred eighty-two million, one hundred thirty-three thousand, six hundred sixty-one".