3316659991906 has 12 divisors (see below), whose sum is σ = 5060741046822. Its totient is φ = 1630222704464.

The previous prime is 3316659991903. The next prime is 3316659991921. The reversal of 3316659991906 is 6091999566133.

It can be written as a sum of positive squares in only one way, i.e., 1857335591281 + 1459324400625 = 1362841^2 + 1208025^2 .

It is a super-2 number, since 2×3316659991906² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3316659991901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238190395 + ... + 238204318.

Almost surely, 2^{3316659991906} is an apocalyptic number.

3316659991906 is a deficient number, since it is larger than the sum of its proper divisors (1744081054916).

3316659991906 is an equidigital number, since it uses as much as digits as its factorization.

3316659991906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476394833 (or 476394774 counting only the distinct ones).

The product of its (nonzero) digits is 63772920, while the sum is 67.

The spelling of 3316659991906 in words is "three trillion, three hundred sixteen billion, six hundred fifty-nine million, nine hundred ninety-one thousand, nine hundred six".