2146118587 has 4 divisors (see below), whose sum is σ = 2150335440. Its totient is φ = 2141901736.

The previous prime is 2146118551. The next prime is 2146118603. The reversal of 2146118587 is 7858116412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2146118587 - 2¹⁹ = 2145594299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146128587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107663 + ... + 2108680.

It is an arithmetic number, because the mean of its divisors is an integer number (537583860).

Almost surely, 2^2146118587 is an apocalyptic number.

2146118587 is a deficient number, since it is larger than the sum of its proper divisors (4216853).

2146118587 is an equidigital number, since it uses as much as digits as its factorization.

2146118587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216852.

The product of its digits is 107520, while the sum is 43.

The square root of 2146118587 is about 46326.2192176310. The cubic root of 2146118587 is about 1289.8857313202.

The spelling of 2146118587 in words is "two billion, one hundred forty-six million, one hundred eighteen thousand, five hundred eighty-seven".