186660053 has 2 divisors, whose sum is σ = 186660054. Its totient is φ = 186660052.

The previous prime is 186660041. The next prime is 186660059. The reversal of 186660053 is 350066681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183412849 + 3247204 = 13543^2 + 1802^2 .

It is a cyclic number.

It is not a de Polignac number, because 186660053 - 2⁶ = 186659989 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 186659995 and 186660022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186660059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93330026 + 93330027.

It is an arithmetic number, because the mean of its divisors is an integer number (93330027).

Almost surely, 2^186660053 is an apocalyptic number.

It is an amenable number.

186660053 is a deficient number, since it is larger than the sum of its proper divisors (1).

186660053 is an equidigital number, since it uses as much as digits as its factorization.

186660053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 186660053 is about 13662.3589837187. The cubic root of 186660053 is about 571.5011758312.

The spelling of 186660053 in words is "one hundred eighty-six million, six hundred sixty thousand, fifty-three".