66313367 has 4 divisors (see below), whose sum is σ = 66646800. Its totient is φ = 65979936.

The previous prime is 66313349. The next prime is 66313369. The reversal of 66313367 is 76331366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66313367 - 2¹⁰ = 66312343 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 (66313369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166418 + ... + 166815.

It is an arithmetic number, because the mean of its divisors is an integer number (16661700).

Almost surely, 2^66313367 is an apocalyptic number.

66313367 is a deficient number, since it is larger than the sum of its proper divisors (333433).

66313367 is a wasteful number, since it uses less digits than its factorization.

66313367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333432.

The product of its digits is 40824, while the sum is 35.

The square root of 66313367 is about 8143.3019715592. The cubic root of 66313367 is about 404.7625840131.

The spelling of 66313367 in words is "sixty-six million, three hundred thirteen thousand, three hundred sixty-seven".