66060893 has 2 divisors, whose sum is σ = 66060894. Its totient is φ = 66060892.

The previous prime is 66060887. The next prime is 66060901. The reversal of 66060893 is 39806066.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41190724 + 24870169 = 6418^2 + 4987^2 .

It is a cyclic number.

It is not a de Polignac number, because 66060893 - 2⁶ = 66060829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66060823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33030446 + 33030447.

It is an arithmetic number, because the mean of its divisors is an integer number (33030447).

Almost surely, 2^66060893 is an apocalyptic number.

It is an amenable number.

66060893 is a deficient number, since it is larger than the sum of its proper divisors (1).

66060893 is an equidigital number, since it uses as much as digits as its factorization.

66060893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 66060893 is about 8127.7852456866. The cubic root of 66060893 is about 404.2482483182.

The spelling of 66060893 in words is "sixty-six million, sixty thousand, eight hundred ninety-three".