2183554956 has 96 divisors (see below), whose sum is σ = 5858044416. Its totient is φ = 626560000.

The previous prime is 2183554951. The next prime is 2183554969. The reversal of 2183554956 is 6594553812.

It is not an unprimeable number, because it can be changed into a prime (2183554951) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 303076 + ... + 310196.

It is an arithmetic number, because the mean of its divisors is an integer number (61021296).

Almost surely, 2^2183554956 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 2183554956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2929022208).

2183554956 is an abundant number, since it is smaller than the sum of its proper divisors (3674489460).

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

2183554956 is a wasteful number, since it uses less digits than its factorization.

2183554956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7263 (or 7261 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The square root of 2183554956 is about 46728.5240083613. The cubic root of 2183554956 is about 1297.3426894867.

The spelling of 2183554956 in words is "two billion, one hundred eighty-three million, five hundred fifty-four thousand, nine hundred fifty-six".