66364101 has 6 divisors (see below), whose sum is σ = 95859270. Its totient is φ = 44242728.

The previous prime is 66364099. The next prime is 66364121. The reversal of 66364101 is 10146366.

It can be written as a sum of positive squares in only one way, i.e., 58155876 + 8208225 = 7626^2 + 2865^2 .

It is not a de Polignac number, because 66364101 - 2¹ = 66364099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66364121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3686886 + ... + 3686903.

It is an arithmetic number, because the mean of its divisors is an integer number (15976545).

Almost surely, 2^66364101 is an apocalyptic number.

It is an amenable number.

66364101 is a deficient number, since it is larger than the sum of its proper divisors (29495169).

66364101 is a wasteful number, since it uses less digits than its factorization.

66364101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373795 (or 7373792 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 66364101 is about 8146.4164514221. The cubic root of 66364101 is about 404.8657808555.

The spelling of 66364101 in words is "sixty-six million, three hundred sixty-four thousand, one hundred one".