66393101 has 8 divisors (see below), whose sum is σ = 67449600. Its totient is φ = 65342160.

The previous prime is 66393097. The next prime is 66393167. The reversal of 66393101 is 10139366.

66393101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66393101 - 2² = 66393097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66393601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27191 + ... + 29531.

It is an arithmetic number, because the mean of its divisors is an integer number (8431200).

Almost surely, 2^66393101 is an apocalyptic number.

It is an amenable number.

66393101 is a deficient number, since it is larger than the sum of its proper divisors (1056499).

66393101 is a wasteful number, since it uses less digits than its factorization.

66393101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 66393101 is about 8148.1961807507. The cubic root of 66393101 is about 404.9247454546.

The spelling of 66393101 in words is "sixty-six million, three hundred ninety-three thousand, one hundred one".