201216162 has 32 divisors (see below), whose sum is σ = 464003712. Its totient is φ = 56980224.

The previous prime is 201216157. The next prime is 201216163. The reversal of 201216162 is 261612102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (201216163) 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, 16453 + ... + 25944.

It is an arithmetic number, because the mean of its divisors is an integer number (14500116).

Almost surely, 2^201216162 is an apocalyptic number.

201216162 is an abundant number, since it is smaller than the sum of its proper divisors (262787550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201216162 is a wasteful number, since it uses less digits than its factorization.

201216162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42522.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 201216162 is about 14185.0682761839. The cubic root of 201216162 is about 585.9865128309.

Adding to 201216162 its reverse (261612102), we get a palindrome (462828264).

The spelling of 201216162 in words is "two hundred one million, two hundred sixteen thousand, one hundred sixty-two".