5671699968 has 160 divisors (see below), whose sum is σ = 16756641792. Its totient is φ = 1690214400.

The previous prime is 5671699967. The next prime is 5671699991. The reversal of 5671699968 is 8699961765.

It is a happy number.

It is a super-2 number, since 2×5671699968² = 64336361054022402048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 5671699899 and 5671699908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5671699963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027905 + ... + 1033407.

Almost surely, 2^5671699968 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 5671699968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8378320896).

5671699968 is an abundant number, since it is smaller than the sum of its proper divisors (11084941824).

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

5671699968 is a wasteful number, since it uses less digits than its factorization.

5671699968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596 (or 5580 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 66.

The square root of 5671699968 is about 75310.6895998171. The cubic root of 5671699968 is about 1783.3547774947.

The spelling of 5671699968 in words is "five billion, six hundred seventy-one million, six hundred ninety-nine thousand, nine hundred sixty-eight".