64189414184 has 128 divisors (see below), whose sum is σ = 146483251200. Its totient is φ = 25785630720.

The previous prime is 64189414129. The next prime is 64189414189. The reversal of 64189414184 is 48141498146.

It is not an unprimeable number, because it can be changed into a prime (64189414189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14963912 + ... + 14968200.

It is an arithmetic number, because the mean of its divisors is an integer number (1144400400).

Almost surely, 2^64189414184 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 64189414184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73241625600).

64189414184 is an abundant number, since it is smaller than the sum of its proper divisors (82293837016).

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

64189414184 is a wasteful number, since it uses less digits than its factorization.

64189414184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603 (or 4599 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The spelling of 64189414184 in words is "sixty-four billion, one hundred eighty-nine million, four hundred fourteen thousand, one hundred eighty-four".