66112379 has 2 divisors, whose sum is σ = 66112380. Its totient is φ = 66112378.

The previous prime is 66112357. The next prime is 66112433. The reversal of 66112379 is 97321166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66112379 - 2¹² = 66108283 is a prime.

It is not a weakly prime, because it can be changed into another prime (66112309) 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, 33056189 + 33056190.

It is an arithmetic number, because the mean of its divisors is an integer number (33056190).

Almost surely, 2^66112379 is an apocalyptic number.

66112379 is a deficient number, since it is larger than the sum of its proper divisors (1).

66112379 is an equidigital number, since it uses as much as digits as its factorization.

66112379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 66112379 is about 8130.9519122917. The cubic root of 66112379 is about 404.3532409477.

The spelling of 66112379 in words is "sixty-six million, one hundred twelve thousand, three hundred seventy-nine".