3319666538 has 8 divisors (see below), whose sum is σ = 4993371360. Its totient is φ = 1655209420.

The previous prime is 3319666463. The next prime is 3319666549. The reversal of 3319666538 is 8356669133.

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

It is a super-2 number, since 2×3319666538² = 22040371847033810888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311028 + ... + 2312463.

It is an arithmetic number, because the mean of its divisors is an integer number (624171420).

Almost surely, 2^3319666538 is an apocalyptic number.

3319666538 is a deficient number, since it is larger than the sum of its proper divisors (1673704822).

3319666538 is a wasteful number, since it uses less digits than its factorization.

3319666538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623852.

The product of its digits is 2099520, while the sum is 50.

The square root of 3319666538 is about 57616.5474321397. The cubic root of 3319666538 is about 1491.7572376217.

The spelling of 3319666538 in words is "three billion, three hundred nineteen million, six hundred sixty-six thousand, five hundred thirty-eight".