4185816072 has 16 divisors (see below), whose sum is σ = 10464540240. Its totient is φ = 1395272016.

The previous prime is 4185816059. The next prime is 4185816079. The reversal of 4185816072 is 2706185814.

It is a super-2 number, since 2×4185816072² = 35042112377227018368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4185816079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87204478 + ... + 87204525.

It is an arithmetic number, because the mean of its divisors is an integer number (654033765).

Almost surely, 2^4185816072 is an apocalyptic number.

It is an amenable number.

4185816072 is an abundant number, since it is smaller than the sum of its proper divisors (6278724168).

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

4185816072 is a wasteful number, since it uses less digits than its factorization.

4185816072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174409012 (or 174409008 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 4185816072 is about 64697.8830565576. The cubic root of 4185816072 is about 1611.6103471550.

The spelling of 4185816072 in words is "four billion, one hundred eighty-five million, eight hundred sixteen thousand, seventy-two".