162138616 has 8 divisors (see below), whose sum is σ = 304009920. Its totient is φ = 81069304.

The previous prime is 162138601. The next prime is 162138629. The reversal of 162138616 is 616831261.

It is a happy number.

162138616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10133656 + ... + 10133671.

It is an arithmetic number, because the mean of its divisors is an integer number (38001240).

Almost surely, 2^162138616 is an apocalyptic number.

It is an amenable number.

162138616 is a deficient number, since it is larger than the sum of its proper divisors (141871304).

162138616 is a wasteful number, since it uses less digits than its factorization.

162138616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20267333 (or 20267329 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 162138616 is about 12733.3662477760. The cubic root of 162138616 is about 545.2916162329.

Adding to 162138616 its reverse (616831261), we get a palindrome (778969877).

The spelling of 162138616 in words is "one hundred sixty-two million, one hundred thirty-eight thousand, six hundred sixteen".