8162513085 has 32 divisors (see below), whose sum is σ = 13436212608. Its totient is φ = 4228858880.

The previous prime is 8162513081. The next prime is 8162513087. The reversal of 8162513085 is 5803152618.

It is not a de Polignac number, because 8162513085 - 2² = 8162513081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8162513081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114814 + ... + 171776.

It is an arithmetic number, because the mean of its divisors is an integer number (419881644).

Almost surely, 2^8162513085 is an apocalyptic number.

It is an amenable number.

8162513085 is a deficient number, since it is larger than the sum of its proper divisors (5273699523).

8162513085 is a wasteful number, since it uses less digits than its factorization.

8162513085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57245.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 8162513085 is about 90346.6274135344. The cubic root of 8162513085 is about 2013.4520750661.

The spelling of 8162513085 in words is "eight billion, one hundred sixty-two million, five hundred thirteen thousand, eighty-five".