3166406987 has 16 divisors (see below), whose sum is σ = 3346237440. Its totient is φ = 2990245632.

The previous prime is 3166406933. The next prime is 3166407011. The reversal of 3166406987 is 7896046613.

It is a cyclic number.

It is not a de Polignac number, because 3166406987 - 2¹⁸ = 3166144843 is a prime.

It is a super-2 number, since 2×3166406987² = 20052266414644836338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3166406687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067168 + ... + 1070130.

It is an arithmetic number, because the mean of its divisors is an integer number (209139840).

Almost surely, 2^3166406987 is an apocalyptic number.

3166406987 is a deficient number, since it is larger than the sum of its proper divisors (179830453).

3166406987 is a wasteful number, since it uses less digits than its factorization.

3166406987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 3166406987 is about 56270.8360254226. The cubic root of 3166406987 is about 1468.4378776458.

The spelling of 3166406987 in words is "three billion, one hundred sixty-six million, four hundred six thousand, nine hundred eighty-seven".