162081117 has 12 divisors (see below), whose sum is σ = 255400704. Its totient is φ = 98230920.

The previous prime is 162081067. The next prime is 162081119. The reversal of 162081117 is 711180261.

162081117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162081117 - 2¹⁵ = 162048349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162081119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818493 + ... + 818690.

It is an arithmetic number, because the mean of its divisors is an integer number (21283392).

Almost surely, 2^162081117 is an apocalyptic number.

It is an amenable number.

162081117 is a deficient number, since it is larger than the sum of its proper divisors (93319587).

162081117 is a wasteful number, since it uses less digits than its factorization.

162081117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637200 (or 1637197 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 162081117 is about 12731.1082392697. The cubic root of 162081117 is about 545.2271499335.

The spelling of 162081117 in words is "one hundred sixty-two million, eighty-one thousand, one hundred seventeen".