2327821664 has 48 divisors (see below), whose sum is σ = 5309383968. Its totient is φ = 983964672.

The previous prime is 2327821637. The next prime is 2327821693. The reversal of 2327821664 is 4661287232.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 54827 + ... + 87530.

It is an arithmetic number, because the mean of its divisors is an integer number (110612166).

Almost surely, 2^2327821664 is an apocalyptic number.

It is an amenable number.

2327821664 is an abundant number, since it is smaller than the sum of its proper divisors (2981562304).

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

2327821664 is a wasteful number, since it uses less digits than its factorization.

2327821664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142447 (or 142439 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 2327821664 is about 48247.5042256074. The cubic root of 2327821664 is about 1325.3072341302.

The spelling of 2327821664 in words is "two billion, three hundred twenty-seven million, eight hundred twenty-one thousand, six hundred sixty-four".