2664056858 has 16 divisors (see below), whose sum is σ = 4127126784. Its totient is φ = 1288392480.

The previous prime is 2664056851. The next prime is 2664056909. The reversal of 2664056858 is 8586504662.

It is not an unprimeable number, because it can be changed into a prime (2664056851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122441 + ... + 142547.

It is an arithmetic number, because the mean of its divisors is an integer number (257945424).

Almost surely, 2^2664056858 is an apocalyptic number.

2664056858 is a deficient number, since it is larger than the sum of its proper divisors (1463069926).

2664056858 is a wasteful number, since it uses less digits than its factorization.

2664056858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22277.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The square root of 2664056858 is about 51614.5024000038. The cubic root of 2664056858 is about 1386.2700159754.

The spelling of 2664056858 in words is "two billion, six hundred sixty-four million, fifty-six thousand, eight hundred fifty-eight".