4068556551 has 24 divisors (see below), whose sum is σ = 6058001664. Its totient is φ = 2629821840.

The previous prime is 4068556543. The next prime is 4068556573. The reversal of 4068556551 is 1556558604.

4068556551 is a `hidden beast` number, since 4 + 0 + 6 + 85 + 565 + 5 + 1 = 666.

4068556551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4068556551 - 2³ = 4068556543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4068556497 and 4068556506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068551551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316 + ... + 90206.

It is an arithmetic number, because the mean of its divisors is an integer number (252416736).

Almost surely, 2^4068556551 is an apocalyptic number.

4068556551 is a deficient number, since it is larger than the sum of its proper divisors (1989445113).

4068556551 is a wasteful number, since it uses less digits than its factorization.

4068556551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90051 (or 90048 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The square root of 4068556551 is about 63785.2377200242. The cubic root of 4068556551 is about 1596.4186238164.

The spelling of 4068556551 in words is "four billion, sixty-eight million, five hundred fifty-six thousand, five hundred fifty-one".