4181613516 has 36 divisors (see below), whose sum is σ = 10572198000. Its totient is φ = 1393606368.

The previous prime is 4181613481. The next prime is 4181613563. The reversal of 4181613516 is 6153161814.

It is a happy number.

4181613516 is a `hidden beast` number, since 4 + 1 + 81 + 61 + 3 + 516 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305385 + ... + 318783.

Almost surely, 2^4181613516 is an apocalyptic number.

It is an amenable number.

4181613516 is an abundant number, since it is smaller than the sum of its proper divisors (6390584484).

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

4181613516 is a wasteful number, since it uses less digits than its factorization.

4181613516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22078 (or 22073 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 4181613516 is about 64665.3965889022. The cubic root of 4181613516 is about 1611.0708147166.

The spelling of 4181613516 in words is "four billion, one hundred eighty-one million, six hundred thirteen thousand, five hundred sixteen".