2164880566 has 16 divisors (see below), whose sum is σ = 3505356000. Its totient is φ = 999674368.

The previous prime is 2164880551. The next prime is 2164880581. The reversal of 2164880566 is 6650884612.

It is an interprime number because it is at equal distance from previous prime (2164880551) and next prime (2164880581).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 810091 + ... + 812758.

It is an arithmetic number, because the mean of its divisors is an integer number (219084750).

Almost surely, 2^2164880566 is an apocalyptic number.

2164880566 is a deficient number, since it is larger than the sum of its proper divisors (1340475434).

2164880566 is a wasteful number, since it uses less digits than its factorization.

2164880566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622903.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 2164880566 is about 46528.2770581503. The cubic root of 2164880566 is about 1293.6336798623.

The spelling of 2164880566 in words is "two billion, one hundred sixty-four million, eight hundred eighty thousand, five hundred sixty-six".