66386083 has 2 divisors, whose sum is σ = 66386084. Its totient is φ = 66386082.

The previous prime is 66386081. The next prime is 66386087. The reversal of 66386083 is 38068366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66386083 - 2¹ = 66386081 is a prime.

It is a super-2 number, since 2×66386083² = 8814224032165778, which contains 22 as substring.

Together with 66386081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (66386081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33193041 + 33193042.

It is an arithmetic number, because the mean of its divisors is an integer number (33193042).

Almost surely, 2^66386083 is an apocalyptic number.

66386083 is a deficient number, since it is larger than the sum of its proper divisors (1).

66386083 is an equidigital number, since it uses as much as digits as its factorization.

66386083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 66386083 is about 8147.7655219084. The cubic root of 66386083 is about 404.9104775967.

It can be divided in two parts, 6638 and 6083, that added together give a palindrome (12721).

The spelling of 66386083 in words is "sixty-six million, three hundred eighty-six thousand, eighty-three".