3212166838 has 8 divisors (see below), whose sum is σ = 4822213032. Its totient is φ = 1604762496.

The previous prime is 3212166833. The next prime is 3212166871. The reversal of 3212166838 is 8386612123.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3212166838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212166833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657420 + ... + 662287.

It is an arithmetic number, because the mean of its divisors is an integer number (602776629).

Almost surely, 2^3212166838 is an apocalyptic number.

3212166838 is a deficient number, since it is larger than the sum of its proper divisors (1610046194).

3212166838 is a wasteful number, since it uses less digits than its factorization.

3212166838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320926.

The product of its digits is 82944, while the sum is 40.

The square root of 3212166838 is about 56675.9811383976. The cubic root of 3212166838 is about 1475.4778630552.

The spelling of 3212166838 in words is "three billion, two hundred twelve million, one hundred sixty-six thousand, eight hundred thirty-eight".