864116144 has 10 divisors (see below), whose sum is σ = 1674225060. Its totient is φ = 432058064.

The previous prime is 864116119. The next prime is 864116147. The reversal of 864116144 is 441611468.

It is not an unprimeable number, because it can be changed into a prime (864116147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27003614 + ... + 27003645.

It is an arithmetic number, because the mean of its divisors is an integer number (167422506).

Almost surely, 2^864116144 is an apocalyptic number.

It is an amenable number.

864116144 is a deficient number, since it is larger than the sum of its proper divisors (810108916).

864116144 is a wasteful number, since it uses less digits than its factorization.

864116144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54007267 (or 54007261 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 864116144 is about 29395.8524965683. The cubic root of 864116144 is about 952.4833068400.

The spelling of 864116144 in words is "eight hundred sixty-four million, one hundred sixteen thousand, one hundred forty-four".