8151116687 has 16 divisors (see below), whose sum is σ = 9592430592. Its totient is φ = 6780011040.

The previous prime is 8151116663. The next prime is 8151116693. The reversal of 8151116687 is 7866111518.

It is a cyclic number.

It is not a de Polignac number, because 8151116687 - 2²⁴ = 8134339471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8151116627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58112 + ... + 140282.

It is an arithmetic number, because the mean of its divisors is an integer number (599526912).

Almost surely, 2^8151116687 is an apocalyptic number.

8151116687 is a deficient number, since it is larger than the sum of its proper divisors (1441313905).

8151116687 is a wasteful number, since it uses less digits than its factorization.

8151116687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82598.

The product of its digits is 80640, while the sum is 44.

The square root of 8151116687 is about 90283.5349717766. The cubic root of 8151116687 is about 2012.5145864817.

The spelling of 8151116687 in words is "eight billion, one hundred fifty-one million, one hundred sixteen thousand, six hundred eighty-seven".