3111666613 has 12 divisors (see below), whose sum is σ = 3600278080. Its totient is φ = 2679902280.

The previous prime is 3111666599. The next prime is 3111666641. The reversal of 3111666613 is 3166661113.

It is not a de Polignac number, because 3111666613 - 2²¹ = 3109569461 is a prime.

It is a super-2 number, since 2×3111666613² = 19364938220917783538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111666653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674445 + ... + 679042.

Almost surely, 2^3111666613 is an apocalyptic number.

It is an amenable number.

3111666613 is a deficient number, since it is larger than the sum of its proper divisors (488611467).

3111666613 is a wasteful number, since it uses less digits than its factorization.

3111666613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353528 (or 1353517 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 3111666613 is about 55782.3145181338. The cubic root of 3111666613 is about 1459.9265949521.

The spelling of 3111666613 in words is "three billion, one hundred eleven million, six hundred sixty-six thousand, six hundred thirteen".