3194645556 has 12 divisors (see below), whose sum is σ = 7454172992. Its totient is φ = 1064881848.

The previous prime is 3194645551. The next prime is 3194645557. The reversal of 3194645556 is 6555464913.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3194645551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133110220 + ... + 133110243.

Almost surely, 2^3194645556 is an apocalyptic number.

It is an amenable number.

3194645556 is an abundant number, since it is smaller than the sum of its proper divisors (4259527436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3194645556 is a wasteful number, since it uses less digits than its factorization.

3194645556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266220470 (or 266220468 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 48.

The square root of 3194645556 is about 56521.1956349120. The cubic root of 3194645556 is about 1472.7902264217.

The spelling of 3194645556 in words is "three billion, one hundred ninety-four million, six hundred forty-five thousand, five hundred fifty-six".