2132187856 has 40 divisors (see below), whose sum is σ = 4173616800. Its totient is φ = 1055184000.

The previous prime is 2132187803. The next prime is 2132187857. The reversal of 2132187856 is 6587812312.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132187857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654231 + ... + 657481.

It is an arithmetic number, because the mean of its divisors is an integer number (104340420).

Almost surely, 2^2132187856 is an apocalyptic number.

It is an amenable number.

2132187856 is a deficient number, since it is larger than the sum of its proper divisors (2041428944).

2132187856 is a wasteful number, since it uses less digits than its factorization.

2132187856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667 (or 3661 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 2132187856 is about 46175.6197143038. The cubic root of 2132187856 is about 1287.0887327642.

The spelling of 2132187856 in words is "two billion, one hundred thirty-two million, one hundred eighty-seven thousand, eight hundred fifty-six".