5651968 has 80 divisors (see below), whose sum is σ = 13749120. Its totient is φ = 2267136.

The previous prime is 5651953. The next prime is 5651969. The reversal of 5651968 is 8691565.

It is a self number, because there is not a number n which added to its sum of digits gives 5651968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68055 + ... + 68137.

It is an arithmetic number, because the mean of its divisors is an integer number (171864).

Almost surely, 2^5651968 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 5651968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6874560).

5651968 is an abundant number, since it is smaller than the sum of its proper divisors (8097152).

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

5651968 is an equidigital number, since it uses as much as digits as its factorization.

5651968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 111 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 5651968 is about 2377.3868006700. The cubic root of 5651968 is about 178.1284264448.

The spelling of 5651968 in words is "five million, six hundred fifty-one thousand, nine hundred sixty-eight".