2656128083 has 4 divisors (see below), whose sum is σ = 3035574960. Its totient is φ = 2276681208.

The previous prime is 2656128077. The next prime is 2656128091. The reversal of 2656128083 is 3808216562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3808216562 = 2 ⋅1904108281.

It is a cyclic number.

It is not a de Polignac number, because 2656128083 - 2¹⁴ = 2656111699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2656128083.

It is not an unprimeable number, because it can be changed into a prime (2656028083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189723428 + ... + 189723441.

It is an arithmetic number, because the mean of its divisors is an integer number (758893740).

Almost surely, 2^2656128083 is an apocalyptic number.

2656128083 is a deficient number, since it is larger than the sum of its proper divisors (379446877).

2656128083 is an equidigital number, since it uses as much as digits as its factorization.

2656128083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379446876.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2656128083 is about 51537.6375380168. The cubic root of 2656128083 is about 1384.8933755188.

The spelling of 2656128083 in words is "two billion, six hundred fifty-six million, one hundred twenty-eight thousand, eighty-three".