3386666623 has 4 divisors (see below), whose sum is σ = 3386893888. Its totient is φ = 3386439360.

The previous prime is 3386666617. The next prime is 3386666681. The reversal of 3386666623 is 3266666833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3266666833 = 2083 ⋅1568251.

It is a cyclic number.

It is not a de Polignac number, because 3386666623 - 2²¹ = 3384569471 is a prime.

It is a super-2 number, since 2×3386666623² = 22939021630684448258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3386066623) 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, 89583 + ... + 121648.

It is an arithmetic number, because the mean of its divisors is an integer number (846723472).

Almost surely, 2^3386666623 is an apocalyptic number.

3386666623 is a deficient number, since it is larger than the sum of its proper divisors (227265).

3386666623 is a wasteful number, since it uses less digits than its factorization.

3386666623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227264.

The product of its digits is 3359232, while the sum is 49.

The square root of 3386666623 is about 58195.0738722789. The cubic root of 3386666623 is about 1501.7264008570.

It can be divided in two parts, 33866 and 66623, that added together give a square (100489 = 317²).

The spelling of 3386666623 in words is "three billion, three hundred eighty-six million, six hundred sixty-six thousand, six hundred twenty-three".