1823441664 has 72 divisors (see below), whose sum is σ = 5294221632. Its totient is φ = 552555520.

The previous prime is 1823441639. The next prime is 1823441687. The reversal of 1823441664 is 4661443281.

It is a super-2 number, since 2×1823441664² = 6649879004022177792, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99474 + ... + 116369.

It is an arithmetic number, because the mean of its divisors is an integer number (73530856).

Almost surely, 2^1823441664 is an apocalyptic number.

It is an amenable number.

1823441664 is an abundant number, since it is smaller than the sum of its proper divisors (3470779968).

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

1823441664 is a wasteful number, since it uses less digits than its factorization.

1823441664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215873 (or 215859 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 1823441664 is about 42701.7758881291. The cubic root of 1823441664 is about 1221.6982673234.

The spelling of 1823441664 in words is "one billion, eight hundred twenty-three million, four hundred forty-one thousand, six hundred sixty-four".