4181612220 has 72 divisors (see below), whose sum is σ = 12892195680. Its totient is φ = 1096813440.

The previous prime is 4181612219. The next prime is 4181612243. The reversal of 4181612220 is 222161814.

4181612220 is a `hidden beast` number, since 41 + 8 + 1 + 612 + 2 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179440 + ... + 201399.

Almost surely, 2^4181612220 is an apocalyptic number.

It is an amenable number.

4181612220 is an abundant number, since it is smaller than the sum of its proper divisors (8710583460).

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

4181612220 is a wasteful number, since it uses less digits than its factorization.

4181612220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380915 (or 380910 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 4181612220 is about 64665.3865680860. The cubic root of 4181612220 is about 1611.0706482778.

The spelling of 4181612220 in words is "four billion, one hundred eighty-one million, six hundred twelve thousand, two hundred twenty".