5667695838 has 144 divisors (see below), whose sum is σ = 14904699264. Its totient is φ = 1550223360.

The previous prime is 5667695833. The next prime is 5667695849. The reversal of 5667695838 is 8385967665.

5667695838 is a `hidden beast` number, since 566 + 7 + 69 + 5 + 8 + 3 + 8 = 666.

It is a super-2 number, since 2×5667695838² = 64245552224165044488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5667695833) 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 71 ways as a sum of consecutive naturals, for example, 2651106 + ... + 2653242.

It is an arithmetic number, because the mean of its divisors is an integer number (103504856).

Almost surely, 2^5667695838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5667695838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7452349632).

5667695838 is an abundant number, since it is smaller than the sum of its proper divisors (9237003426).

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

5667695838 is a wasteful number, since it uses less digits than its factorization.

5667695838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287 (or 2277 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The square root of 5667695838 is about 75284.1008314505. The cubic root of 5667695838 is about 1782.9350053222.

The spelling of 5667695838 in words is "five billion, six hundred sixty-seven million, six hundred ninety-five thousand, eight hundred thirty-eight".