2136665624 has 16 divisors (see below), whose sum is σ = 4008841200. Its totient is φ = 1067641312.

The previous prime is 2136665623. The next prime is 2136665659. The reversal of 2136665624 is 4265666312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136665623) 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 3 ways as a sum of consecutive naturals, for example, 73187 + ... + 98130.

It is an arithmetic number, because the mean of its divisors is an integer number (250552575).

Almost surely, 2^2136665624 is an apocalyptic number.

It is an amenable number.

2136665624 is a deficient number, since it is larger than the sum of its proper divisors (1872175576).

2136665624 is a wasteful number, since it uses less digits than its factorization.

2136665624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172882 (or 172878 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 2136665624 is about 46224.0805641389. The cubic root of 2136665624 is about 1287.9890998010.

The spelling of 2136665624 in words is "two billion, one hundred thirty-six million, six hundred sixty-five thousand, six hundred twenty-four".