17964946136 has 8 divisors (see below), whose sum is σ = 33684274020. Its totient is φ = 8982473064.

The previous prime is 17964946127. The next prime is 17964946141. The reversal of 17964946136 is 63164946971.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1122809126 + ... + 1122809141.

Almost surely, 2^17964946136 is an apocalyptic number.

It is an amenable number.

17964946136 is a deficient number, since it is larger than the sum of its proper divisors (15719327884).

17964946136 is a wasteful number, since it uses less digits than its factorization.

17964946136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245618273 (or 2245618269 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 56.

The spelling of 17964946136 in words is "seventeen billion, nine hundred sixty-four million, nine hundred forty-six thousand, one hundred thirty-six".