3166930981 has 8 divisors (see below), whose sum is σ = 3204485144. Its totient is φ = 3129477120.

The previous prime is 3166930933. The next prime is 3166931011. The reversal of 3166930981 is 1890396613.

It can be written as a sum of positive squares in 4 ways, for example, as 1312250625 + 1854680356 = 36225^2 + 43066^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3166930981 - 2¹⁵ = 3166898213 is a prime.

It is a super-2 number, since 2×3166930981² = 20058903676835244722, 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 (3166933981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39421 + ... + 88813.

It is an arithmetic number, because the mean of its divisors is an integer number (400560643).

Almost surely, 2^3166930981 is an apocalyptic number.

It is an amenable number.

3166930981 is a deficient number, since it is larger than the sum of its proper divisors (37554163).

3166930981 is an equidigital number, since it uses as much as digits as its factorization.

3166930981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50151.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 3166930981 is about 56275.4918325909. The cubic root of 3166930981 is about 1468.5188748349.

The spelling of 3166930981 in words is "three billion, one hundred sixty-six million, nine hundred thirty thousand, nine hundred eighty-one".