2167042815 has 80 divisors (see below), whose sum is σ = 4673349120. Its totient is φ = 938485440.

The previous prime is 2167042799. The next prime is 2167042837. The reversal of 2167042815 is 5182407612.

2167042815 is a `hidden beast` number, since 216 + 7 + 0 + 428 + 15 = 666.

It is not a de Polignac number, because 2167042815 - 2⁴ = 2167042799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2167042815.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 33750 + ... + 73980.

It is an arithmetic number, because the mean of its divisors is an integer number (58416864).

Almost surely, 2^2167042815 is an apocalyptic number.

2167042815 is an abundant number, since it is smaller than the sum of its proper divisors (2506306305).

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

2167042815 is a wasteful number, since it uses less digits than its factorization.

2167042815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40274 (or 40265 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2167042815 is about 46551.5071184597. The cubic root of 2167042815 is about 1294.0642236128.

The spelling of 2167042815 in words is "two billion, one hundred sixty-seven million, forty-two thousand, eight hundred fifteen".