162689117 has 4 divisors (see below), whose sum is σ = 162981756. Its totient is φ = 162396480.

The previous prime is 162689069. The next prime is 162689119. The reversal of 162689117 is 711986261.

162689117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711986261 = 7 ⋅101712323.

It can be written as a sum of positive squares in 2 ways, for example, as 9449476 + 153239641 = 3074^2 + 12379^2 .

It is a cyclic number.

It is not a de Polignac number, because 162689117 - 2²² = 158494813 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 (162689119) 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, 145484 + ... + 146597.

It is an arithmetic number, because the mean of its divisors is an integer number (40745439).

Almost surely, 2^162689117 is an apocalyptic number.

It is an amenable number.

162689117 is a deficient number, since it is larger than the sum of its proper divisors (292639).

162689117 is an equidigital number, since it uses as much as digits as its factorization.

162689117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292638.

The product of its digits is 36288, while the sum is 41.

The square root of 162689117 is about 12754.9644060656. The cubic root of 162689117 is about 545.9080527408.

The spelling of 162689117 in words is "one hundred sixty-two million, six hundred eighty-nine thousand, one hundred seventeen".