2127327664 has 80 divisors (see below), whose sum is σ = 5223165696. Its totient is φ = 815212800.

The previous prime is 2127327637. The next prime is 2127327679. The reversal of 2127327664 is 4667237212.

It is a happy 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 in 15 ways as a sum of consecutive naturals, for example, 60999 + ... + 89305.

Almost surely, 2^2127327664 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 2127327664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2611582848).

2127327664 is an abundant number, since it is smaller than the sum of its proper divisors (3095838032).

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

2127327664 is a wasteful number, since it uses less digits than its factorization.

2127327664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28394 (or 28388 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 2127327664 is about 46122.9624373804. The cubic root of 2127327664 is about 1286.1100420449.

The spelling of 2127327664 in words is "two billion, one hundred twenty-seven million, three hundred twenty-seven thousand, six hundred sixty-four".