4116861520 has 20 divisors (see below), whose sum is σ = 9571703220. Its totient is φ = 1646744576.

The previous prime is 4116861449. The next prime is 4116861557. The reversal of 4116861520 is 251686114.

It can be written as a sum of positive squares in 2 ways, for example, as 2733616656 + 1383244864 = 52284^2 + 37192^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25730305 + ... + 25730464.

It is an arithmetic number, because the mean of its divisors is an integer number (478585161).

Almost surely, 2^4116861520 is an apocalyptic number.

4116861520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4116861520 is an abundant number, since it is smaller than the sum of its proper divisors (5454841700).

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

4116861520 is a wasteful number, since it uses less digits than its factorization.

4116861520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51460782 (or 51460776 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 4116861520 is about 64162.7736308212. The cubic root of 4116861520 is about 1602.7117451773.

The spelling of 4116861520 in words is "four billion, one hundred sixteen million, eight hundred sixty-one thousand, five hundred twenty".