66046031 has 2 divisors, whose sum is σ = 66046032. Its totient is φ = 66046030.

The previous prime is 66046007. The next prime is 66046049. The reversal of 66046031 is 13064066.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66046031 is a prime.

It is a super-2 number, since 2×66046031² = 8724156421705922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66046051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33023015 + 33023016.

It is an arithmetic number, because the mean of its divisors is an integer number (33023016).

Almost surely, 2^66046031 is an apocalyptic number.

66046031 is a deficient number, since it is larger than the sum of its proper divisors (1).

66046031 is an equidigital number, since it uses as much as digits as its factorization.

66046031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 66046031 is about 8126.8709230552. The cubic root of 66046031 is about 404.2179308954.

The spelling of 66046031 in words is "sixty-six million, forty-six thousand, thirty-one".