3161664212 has 12 divisors (see below), whose sum is σ = 6323328480. Its totient is φ = 1354998936.

The previous prime is 3161664193. The next prime is 3161664287. The reversal of 3161664212 is 2124661613.

3161664212 is an admirable number.

It is a super-2 number, since 2×3161664212² = 19992241178883161888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56458262 + ... + 56458317.

It is an arithmetic number, because the mean of its divisors is an integer number (526944040).

Almost surely, 2^3161664212 is an apocalyptic number.

It is an amenable number.

3161664212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3161664212 is a wasteful number, since it uses less digits than its factorization.

3161664212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112916590 (or 112916588 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 3161664212 is about 56228.6778432501. The cubic root of 3161664212 is about 1467.7043490118.

The spelling of 3161664212 in words is "three billion, one hundred sixty-one million, six hundred sixty-four thousand, two hundred twelve".