2664012136 has 16 divisors (see below), whose sum is σ = 5130023940. Its totient is φ = 1296005760.

The previous prime is 2664012133. The next prime is 2664012137. The reversal of 2664012136 is 6312104662.

2664012136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1891728036 + 772284100 = 43494^2 + 27790^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2664012098 and 2664012107.

It is not an unprimeable number, because it can be changed into a prime (2664012133) 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, 4499725 + ... + 4500316.

Almost surely, 2^2664012136 is an apocalyptic number.

It is an amenable number.

2664012136 is a deficient number, since it is larger than the sum of its proper divisors (2466011804).

2664012136 is a wasteful number, since it uses less digits than its factorization.

2664012136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000084 (or 9000080 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2664012136 is about 51614.0691672339. The cubic root of 2664012136 is about 1386.2622587443.

Adding to 2664012136 its reverse (6312104662), we get a palindrome (8976116798).

The spelling of 2664012136 in words is "two billion, six hundred sixty-four million, twelve thousand, one hundred thirty-six".