4188415668 has 12 divisors (see below), whose sum is σ = 9772969920. Its totient is φ = 1396138552.

The previous prime is 4188415663. The next prime is 4188415687. The reversal of 4188415668 is 8665148814.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 4188415668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4188415663) 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 3 ways as a sum of consecutive naturals, for example, 174517308 + ... + 174517331.

It is an arithmetic number, because the mean of its divisors is an integer number (814414160).

Almost surely, 2^4188415668 is an apocalyptic number.

It is an amenable number.

4188415668 is an abundant number, since it is smaller than the sum of its proper divisors (5584554252).

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

4188415668 is a wasteful number, since it uses less digits than its factorization.

4188415668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349034646 (or 349034644 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The square root of 4188415668 is about 64717.9702092085. The cubic root of 4188415668 is about 1611.9439076632.

The spelling of 4188415668 in words is "four billion, one hundred eighty-eight million, four hundred fifteen thousand, six hundred sixty-eight".