3951334566 has 12 divisors (see below), whose sum is σ = 8561224932. Its totient is φ = 1317111516.

The previous prime is 3951334553. The next prime is 3951334573. The reversal of 3951334566 is 6654331593.

3951334566 is a `hidden beast` number, since 3 + 9 + 51 + 3 + 34 + 566 = 666.

It is a super-2 number, since 2×3951334566² = 31226089704932816712, 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 5 ways as a sum of consecutive naturals, for example, 109759276 + ... + 109759311.

It is an arithmetic number, because the mean of its divisors is an integer number (713435411).

Almost surely, 2^3951334566 is an apocalyptic number.

3951334566 is an abundant number, since it is smaller than the sum of its proper divisors (4609890366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3951334566 is a wasteful number, since it uses less digits than its factorization.

3951334566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219518595 (or 219518592 counting only the distinct ones).

The product of its digits is 874800, while the sum is 45.

The square root of 3951334566 is about 62859.6417902616. The cubic root of 3951334566 is about 1580.9371364621.

The spelling of 3951334566 in words is "three billion, nine hundred fifty-one million, three hundred thirty-four thousand, five hundred sixty-six".