162640113 has 16 divisors (see below), whose sum is σ = 220464000. Its totient is φ = 106634880.

The previous prime is 162640111. The next prime is 162640141. The reversal of 162640113 is 311046261.

162640113 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 162640113 - 2¹ = 162640111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162640111) 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, 51603 + ... + 54663.

It is an arithmetic number, because the mean of its divisors is an integer number (13779000).

Almost surely, 2^162640113 is an apocalyptic number.

It is an amenable number.

162640113 is a deficient number, since it is larger than the sum of its proper divisors (57823887).

162640113 is a wasteful number, since it uses less digits than its factorization.

162640113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 162640113 is about 12753.0432838597. The cubic root of 162640113 is about 545.8532357886.

Adding to 162640113 its reverse (311046261), we get a palindrome (473686374).

The spelling of 162640113 in words is "one hundred sixty-two million, six hundred forty thousand, one hundred thirteen".