14165640856 has 32 divisors (see below), whose sum is σ = 26888824800. Its totient is φ = 6995464960.

The previous prime is 14165640851. The next prime is 14165640857. The reversal of 14165640856 is 65804656141.

It is a super-2 number, since 2×14165640856² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14165640851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659421 + ... + 680563.

It is an arithmetic number, because the mean of its divisors is an integer number (840275775).

Almost surely, 2^14165640856 is an apocalyptic number.

It is an amenable number.

14165640856 is a deficient number, since it is larger than the sum of its proper divisors (12723183944).

14165640856 is a wasteful number, since it uses less digits than its factorization.

14165640856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22179 (or 22175 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 14165640856 in words is "fourteen billion, one hundred sixty-five million, six hundred forty thousand, eight hundred fifty-six".