2182581682 has 8 divisors (see below), whose sum is σ = 3322736496. Its totient is φ = 1075002852.

The previous prime is 2182581637. The next prime is 2182581683. The reversal of 2182581682 is 2861852812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2182581683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8143828 + ... + 8144095.

It is an arithmetic number, because the mean of its divisors is an integer number (415342062).

Almost surely, 2^2182581682 is an apocalyptic number.

2182581682 is a deficient number, since it is larger than the sum of its proper divisors (1140154814).

2182581682 is a wasteful number, since it uses less digits than its factorization.

2182581682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16287992.

The product of its digits is 122880, while the sum is 43.

The square root of 2182581682 is about 46718.1087160001. The cubic root of 2182581682 is about 1297.1499063748.

The spelling of 2182581682 in words is "two billion, one hundred eighty-two million, five hundred eighty-one thousand, six hundred eighty-two".