8168057874 has 32 divisors (see below), whose sum is σ = 18311883840. Its totient is φ = 2698589376.

The previous prime is 8168057867. The next prime is 8168057879. The reversal of 8168057874 is 4787508618.

It is a happy number.

8168057874 is a `hidden beast` number, since 8 + 1 + 68 + 0 + 578 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 8168057874.

It is not an unprimeable number, because it can be changed into a prime (8168057879) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 663192 + ... + 675395.

It is an arithmetic number, because the mean of its divisors is an integer number (572246370).

Almost surely, 2^8168057874 is an apocalyptic number.

8168057874 is an abundant number, since it is smaller than the sum of its proper divisors (10143825966).

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

8168057874 is a wasteful number, since it uses less digits than its factorization.

8168057874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338711 (or 1338705 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The square root of 8168057874 is about 90377.3084020541. The cubic root of 8168057874 is about 2013.9078840316.

The spelling of 8168057874 in words is "eight billion, one hundred sixty-eight million, fifty-seven thousand, eight hundred seventy-four".