14151568644 has 72 divisors (see below), whose sum is σ = 37319475648. Its totient is φ = 4688889120.

The previous prime is 14151568601. The next prime is 14151568649. The reversal of 14151568644 is 44686515141.

14151568644 is a `hidden beast` number, since 1 + 41 + 5 + 1 + 568 + 6 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 14151568644.

It is not an unprimeable number, because it can be changed into a prime (14151568649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118734 + ... + 205914.

Almost surely, 2^14151568644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14151568644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18659737824).

14151568644 is an abundant number, since it is smaller than the sum of its proper divisors (23167907004).

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

14151568644 is a wasteful number, since it uses less digits than its factorization.

14151568644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87367 (or 87353 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 14151568644 in words is "fourteen billion, one hundred fifty-one million, five hundred sixty-eight thousand, six hundred forty-four".