66313086 has 16 divisors (see below), whose sum is σ = 151572864. Its totient is φ = 18946584.

The previous prime is 66313081. The next prime is 66313087. The reversal of 66313086 is 68031366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66313081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789400 + ... + 789483.

It is an arithmetic number, because the mean of its divisors is an integer number (9473304).

Almost surely, 2^66313086 is an apocalyptic number.

66313086 is an abundant number, since it is smaller than the sum of its proper divisors (85259778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66313086 is a wasteful number, since it uses less digits than its factorization.

66313086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578895.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 66313086 is about 8143.2847180975. The cubic root of 66313086 is about 404.7620122911.

The spelling of 66313086 in words is "sixty-six million, three hundred thirteen thousand, eighty-six".