8162251617 has 16 divisors (see below), whose sum is σ = 11895087680. Its totient is φ = 4947953472.

The previous prime is 8162251607. The next prime is 8162251619. The reversal of 8162251617 is 7161522618.

It is not a de Polignac number, because 8162251617 - 2²⁰ = 8161203041 is a prime.

It is a super-2 number, since 2×8162251617² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8162251619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559242 + ... + 1564467.

It is an arithmetic number, because the mean of its divisors is an integer number (743442980).

Almost surely, 2^8162251617 is an apocalyptic number.

It is an amenable number.

8162251617 is a deficient number, since it is larger than the sum of its proper divisors (3732836063).

8162251617 is a wasteful number, since it uses less digits than its factorization.

8162251617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123792.

The product of its digits is 40320, while the sum is 39.

The square root of 8162251617 is about 90345.1803750482. The cubic root of 8162251617 is about 2013.4305760130.

The spelling of 8162251617 in words is "eight billion, one hundred sixty-two million, two hundred fifty-one thousand, six hundred seventeen".