66313346 has 32 divisors (see below), whose sum is σ = 111120768. Its totient is φ = 29427840.

The previous prime is 66313339. The next prime is 66313349. The reversal of 66313346 is 64331366.

It is not an unprimeable number, because it can be changed into a prime (66313349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252011 + ... + 252273.

It is an arithmetic number, because the mean of its divisors is an integer number (3472524).

Almost surely, 2^66313346 is an apocalyptic number.

66313346 is a deficient number, since it is larger than the sum of its proper divisors (44807422).

66313346 is a wasteful number, since it uses less digits than its factorization.

66313346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its digits is 23328, while the sum is 32.

The square root of 66313346 is about 8143.3006821559. The cubic root of 66313346 is about 404.7625412866.

The spelling of 66313346 in words is "sixty-six million, three hundred thirteen thousand, three hundred forty-six".