162216101 has 4 divisors (see below), whose sum is σ = 162280032. Its totient is φ = 162152172.

The previous prime is 162216097. The next prime is 162216139. The reversal of 162216101 is 101612261.

162216101 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101612261 = 47 ⋅2161963.

It is a cyclic number.

It is not a de Polignac number, because 162216101 - 2² = 162216097 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 (162216161) 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, 27995 + ... + 33288.

It is an arithmetic number, because the mean of its divisors is an integer number (40570008).

Almost surely, 2^162216101 is an apocalyptic number.

It is an amenable number.

162216101 is a deficient number, since it is larger than the sum of its proper divisors (63931).

162216101 is an equidigital number, since it uses as much as digits as its factorization.

162216101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63930.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 162216101 is about 12736.4084812007. The cubic root of 162216101 is about 545.3784661828.

Adding to 162216101 its reverse (101612261), we get a palindrome (263828362).

It can be divided in two parts, 16221 and 6101, that added together give a palindrome (22322).

The spelling of 162216101 in words is "one hundred sixty-two million, two hundred sixteen thousand, one hundred one".