2067660317 has 4 divisors (see below), whose sum is σ = 2068664640. Its totient is φ = 2066655996.

The previous prime is 2067660293. The next prime is 2067660337. The reversal of 2067660317 is 7130667602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2067660317 - 2⁶ = 2067660253 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 (2067660337) 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, 499067 + ... + 503192.

It is an arithmetic number, because the mean of its divisors is an integer number (517166160).

Almost surely, 2^2067660317 is an apocalyptic number.

It is an amenable number.

2067660317 is a deficient number, since it is larger than the sum of its proper divisors (1004323).

2067660317 is a wasteful number, since it uses less digits than its factorization.

2067660317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004322.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2067660317 is about 45471.5330399141. The cubic root of 2067660317 is about 1273.9715539932.

The spelling of 2067660317 in words is "two billion, sixty-seven million, six hundred sixty thousand, three hundred seventeen".