4181916687 has 16 divisors (see below), whose sum is σ = 6021550080. Its totient is φ = 2566310112.

The previous prime is 4181916659. The next prime is 4181916707. The reversal of 4181916687 is 7866191814.

It is not a de Polignac number, because 4181916687 - 2¹⁹ = 4181392399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181915687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135343 + ... + 163344.

It is an arithmetic number, because the mean of its divisors is an integer number (376346880).

Almost surely, 2^4181916687 is an apocalyptic number.

4181916687 is a deficient number, since it is larger than the sum of its proper divisors (1839633393).

4181916687 is a wasteful number, since it uses less digits than its factorization.

4181916687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299062.

The product of its digits is 580608, while the sum is 51.

The square root of 4181916687 is about 64667.7406981255. The cubic root of 4181916687 is about 1611.1097485034.

The spelling of 4181916687 in words is "four billion, one hundred eighty-one million, nine hundred sixteen thousand, six hundred eighty-seven".