3366666725 has 24 divisors (see below), whose sum is σ = 4311822240. Its totient is φ = 2606022720.

The previous prime is 3366666713. The next prime is 3366666769. The reversal of 3366666725 is 5276666633.

It is not a de Polignac number, because 3366666725 - 2¹⁸ = 3366404581 is a prime.

It is a super-2 number, since 2×3366666725² = 22668889674444451250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100391 + ... + 129659.

It is an arithmetic number, because the mean of its divisors is an integer number (179659260).

Almost surely, 2^3366666725 is an apocalyptic number.

It is an amenable number.

3366666725 is a deficient number, since it is larger than the sum of its proper divisors (945155515).

3366666725 is a wasteful number, since it uses less digits than its factorization.

3366666725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29429 (or 29424 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 50.

The square root of 3366666725 is about 58022.9844544384. The cubic root of 3366666725 is about 1498.7644232536.

The spelling of 3366666725 in words is "three billion, three hundred sixty-six million, six hundred sixty-six thousand, seven hundred twenty-five".