3215165768 has 32 divisors (see below), whose sum is σ = 6293583360. Its totient is φ = 1536944640.

The previous prime is 3215165761. The next prime is 3215165777. The reversal of 3215165768 is 8675615123.

3215165768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3215165761) 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, 663113 + ... + 667943.

It is an arithmetic number, because the mean of its divisors is an integer number (196674480).

Almost surely, 2^3215165768 is an apocalyptic number.

It is an amenable number.

3215165768 is a deficient number, since it is larger than the sum of its proper divisors (3078417592).

3215165768 is a wasteful number, since it uses less digits than its factorization.

3215165768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8477 (or 8473 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 3215165768 is about 56702.4317644314. The cubic root of 3215165768 is about 1475.9368967570.

The spelling of 3215165768 in words is "three billion, two hundred fifteen million, one hundred sixty-five thousand, seven hundred sixty-eight".