2104566651 has 16 divisors (see below), whose sum is σ = 3401320320. Its totient is φ = 1275494760.

The previous prime is 2104566643. The next prime is 2104566671. The reversal of 2104566651 is 1566654012.

It is not a de Polignac number, because 2104566651 - 2³ = 2104566643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2104566671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3542745 + ... + 3543338.

It is an arithmetic number, because the mean of its divisors is an integer number (212582520).

Almost surely, 2^2104566651 is an apocalyptic number.

2104566651 is a deficient number, since it is larger than the sum of its proper divisors (1296753669).

2104566651 is a wasteful number, since it uses less digits than its factorization.

2104566651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086103 (or 7086097 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 2104566651 is about 45875.5561383184. The cubic root of 2104566651 is about 1281.5067402663.

The spelling of 2104566651 in words is "two billion, one hundred four million, five hundred sixty-six thousand, six hundred fifty-one".