3166609385 has 4 divisors (see below), whose sum is σ = 3799931268. Its totient is φ = 2533287504.

The previous prime is 3166609357. The next prime is 3166609393. The reversal of 3166609385 is 5839066613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5839066613 = 18311 ⋅318883.

It can be written as a sum of positive squares in 2 ways, for example, as 727434841 + 2439174544 = 26971^2 + 49388^2 .

It is a cyclic number.

It is not a de Polignac number, because 3166609385 - 2¹² = 3166605289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316660934 + ... + 316660943.

It is an arithmetic number, because the mean of its divisors is an integer number (949982817).

Almost surely, 2^3166609385 is an apocalyptic number.

It is an amenable number.

3166609385 is a deficient number, since it is larger than the sum of its proper divisors (633321883).

3166609385 is an equidigital number, since it uses as much as digits as its factorization.

3166609385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633321882.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 3166609385 is about 56272.6344238476. The cubic root of 3166609385 is about 1468.4691646911.

The spelling of 3166609385 in words is "three billion, one hundred sixty-six million, six hundred nine thousand, three hundred eighty-five".