4151555856 has 320 divisors, whose sum is σ = 14612636160. Its totient is φ = 1115265024.

The previous prime is 4151555851. The next prime is 4151555857. The reversal of 4151555856 is 6585551514.

4151555856 is a `hidden beast` number, since 4 + 1 + 515 + 55 + 85 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4151555851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4163550 + ... + 4164546.

It is an arithmetic number, because the mean of its divisors is an integer number (45664488).

Almost surely, 2^4151555856 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 4151555856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7306318080).

4151555856 is an abundant number, since it is smaller than the sum of its proper divisors (10461080304).

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

4151555856 is an equidigital number, since it uses as much as digits as its factorization.

4151555856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1026 counting only the distinct ones).

The product of its digits is 600000, while the sum is 45.

The square root of 4151555856 is about 64432.5682865428. The cubic root of 4151555856 is about 1607.2013744179.

The spelling of 4151555856 in words is "four billion, one hundred fifty-one million, five hundred fifty-five thousand, eight hundred fifty-six".