4208069644164 has 81 divisors (see below), whose sum is σ = 10891561246839. Its totient is φ = 1369896872400.

The previous prime is 4208069644159. The next prime is 4208069644189. The reversal of 4208069644164 is 4614469608024.

The square root of 4208069644164 is 2051358.

It is a perfect power (a square), and thus also a powerful number.

4208069644164 is a `hidden beast` number, since 4 + 2 + 0 + 80 + 69 + 6 + 441 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4208069644164.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 529246389 + ... + 529254339.

Almost surely, 2^{4208069644164} is an apocalyptic number.

4208069644164 is the 2051358-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4208069644164

4208069644164 is an abundant number, since it is smaller than the sum of its proper divisors (6683491602675).

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

4208069644164 is an frugal number, since it uses more digits than its factorization.

4208069644164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15998 (or 7999 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 4208069644164 in words is "four trillion, two hundred eight billion, sixty-nine million, six hundred forty-four thousand, one hundred sixty-four".