5640191968 has 12 divisors (see below), whose sum is σ = 11104128000. Its totient is φ = 2820095968.

The previous prime is 5640191959. The next prime is 5640191969. The reversal of 5640191968 is 8691910465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640191969) 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 as a sum of consecutive naturals, namely, 88127968 + ... + 88128031.

It is an arithmetic number, because the mean of its divisors is an integer number (925344000).

Almost surely, 2^5640191968 is an apocalyptic number.

It is an amenable number.

5640191968 is a deficient number, since it is larger than the sum of its proper divisors (5463936032).

5640191968 is a wasteful number, since it uses less digits than its factorization.

5640191968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176256009 (or 176256001 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 5640191968 is about 75101.2114948887. The cubic root of 5640191968 is about 1780.0462858814.

The spelling of 5640191968 in words is "five billion, six hundred forty million, one hundred ninety-one thousand, nine hundred sixty-eight".