8165042712 has 24 divisors (see below), whose sum is σ = 22113657540. Its totient is φ = 2721680880.

The previous prime is 8165042701. The next prime is 8165042719. The reversal of 8165042712 is 2172405618.

8165042712 is a `hidden beast` number, since 81 + 6 + 504 + 2 + 71 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8165042719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56701614 + ... + 56701757.

Almost surely, 2^8165042712 is an apocalyptic number.

It is an amenable number.

8165042712 is an abundant number, since it is smaller than the sum of its proper divisors (13948614828).

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

8165042712 is a wasteful number, since it uses less digits than its factorization.

8165042712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113403383 (or 113403376 counting only the distinct ones).

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

The square root of 8165042712 is about 90360.6258942467. The cubic root of 8165042712 is about 2013.6600484611.

The spelling of 8165042712 in words is "eight billion, one hundred sixty-five million, forty-two thousand, seven hundred twelve".