3398111656 has 64 divisors (see below), whose sum is σ = 6772896000. Its totient is φ = 1595677440.

The previous prime is 3398111641. The next prime is 3398111659. The reversal of 3398111656 is 6561118933.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3398111659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950946 + ... + 1952686.

It is an arithmetic number, because the mean of its divisors is an integer number (105826500).

Almost surely, 2^3398111656 is an apocalyptic number.

It is an amenable number.

3398111656 is a deficient number, since it is larger than the sum of its proper divisors (3374784344).

3398111656 is a wasteful number, since it uses less digits than its factorization.

3398111656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1998 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 3398111656 is about 58293.3242833174. The cubic root of 3398111656 is about 1503.4161630176.

The spelling of 3398111656 in words is "three billion, three hundred ninety-eight million, one hundred eleven thousand, six hundred fifty-six".