2647381164 has 24 divisors (see below), whose sum is σ = 6293775600. Its totient is φ = 865809984.

The previous prime is 2647381147. The next prime is 2647381171. The reversal of 2647381164 is 4611837462.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080639 + ... + 2081910.

It is an arithmetic number, because the mean of its divisors is an integer number (262240650).

Almost surely, 2^2647381164 is an apocalyptic number.

It is an amenable number.

2647381164 is an abundant number, since it is smaller than the sum of its proper divisors (3646394436).

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

2647381164 is a wasteful number, since it uses less digits than its factorization.

2647381164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162609 (or 4162607 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 2647381164 is about 51452.7080336886. The cubic root of 2647381164 is about 1383.3715021678.

The spelling of 2647381164 in words is "two billion, six hundred forty-seven million, three hundred eighty-one thousand, one hundred sixty-four".