162115623 has 6 divisors (see below), whose sum is σ = 234167024. Its totient is φ = 108077076.

The previous prime is 162115601. The next prime is 162115637. The reversal of 162115623 is 326511261.

162115623 is a `hidden beast` number, since 1 + 6 + 21 + 15 + 623 = 666.

It is not a de Polignac number, because 162115623 - 2⁶ = 162115559 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 (162115823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9006415 + ... + 9006432.

Almost surely, 2^162115623 is an apocalyptic number.

162115623 is a deficient number, since it is larger than the sum of its proper divisors (72051401).

162115623 is a wasteful number, since it uses less digits than its factorization.

162115623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18012853 (or 18012850 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 162115623 is about 12732.4633516064. The cubic root of 162115623 is about 545.2658389420.

Adding to 162115623 its reverse (326511261), we get a palindrome (488626884).

The spelling of 162115623 in words is "one hundred sixty-two million, one hundred fifteen thousand, six hundred twenty-three".