2164608587 has 2 divisors, whose sum is σ = 2164608588. Its totient is φ = 2164608586.

The previous prime is 2164608553. The next prime is 2164608601. The reversal of 2164608587 is 7858064612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2164608587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2164608527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082304293 + 1082304294.

It is an arithmetic number, because the mean of its divisors is an integer number (1082304294).

Almost surely, 2^2164608587 is an apocalyptic number.

2164608587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164608587 is an equidigital number, since it uses as much as digits as its factorization.

2164608587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 2164608587 is about 46525.3542383075. The cubic root of 2164608587 is about 1293.5795035203.

The spelling of 2164608587 in words is "two billion, one hundred sixty-four million, six hundred eight thousand, five hundred eighty-seven".