8162383157 has 4 divisors (see below), whose sum is σ = 8162763180. Its totient is φ = 8162003136.

The previous prime is 8162383139. The next prime is 8162383171. The reversal of 8162383157 is 7513832618.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1134746596 + 7027636561 = 33686^2 + 83831^2 .

It is a cyclic number.

It is not a de Polignac number, because 8162383157 - 2¹² = 8162379061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8162380157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155732 + ... + 201437.

It is an arithmetic number, because the mean of its divisors is an integer number (2040690795).

Almost surely, 2^8162383157 is an apocalyptic number.

It is an amenable number.

8162383157 is a deficient number, since it is larger than the sum of its proper divisors (380023).

8162383157 is a wasteful number, since it uses less digits than its factorization.

8162383157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380022.

The product of its digits is 241920, while the sum is 44.

The square root of 8162383157 is about 90345.9083578222. The cubic root of 8162383157 is about 2013.4413918698.

The spelling of 8162383157 in words is "eight billion, one hundred sixty-two million, three hundred eighty-three thousand, one hundred fifty-seven".