2136067968 has 64 divisors (see below), whose sum is σ = 5685724800. Its totient is φ = 710542848.

The previous prime is 2136067963. The next prime is 2136068017. The reversal of 2136067968 is 8697606312.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136067963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187623 + ... + 198681.

It is an arithmetic number, because the mean of its divisors is an integer number (88839450).

Almost surely, 2^2136067968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2136067968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2842862400).

2136067968 is an abundant number, since it is smaller than the sum of its proper divisors (3549656832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2136067968 is a wasteful number, since it uses less digits than its factorization.

2136067968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579 (or 11567 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 2136067968 is about 46217.6153430702. The cubic root of 2136067968 is about 1287.8689989317.

The spelling of 2136067968 in words is "two billion, one hundred thirty-six million, sixty-seven thousand, nine hundred sixty-eight".