201612106 has 16 divisors (see below), whose sum is σ = 308756448. Its totient is φ = 98701200.

The previous prime is 201612101. The next prime is 201612107. The reversal of 201612106 is 601216102.

It is not an unprimeable number, because it can be changed into a prime (201612101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58861 + ... + 62191.

It is an arithmetic number, because the mean of its divisors is an integer number (19297278).

Almost surely, 2^201612106 is an apocalyptic number.

201612106 is a deficient number, since it is larger than the sum of its proper divisors (107144342).

201612106 is a wasteful number, since it uses less digits than its factorization.

201612106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 201612106 is about 14199.0177829313. The cubic root of 201612106 is about 586.3706201891.

Adding to 201612106 its reverse (601216102), we get a palindrome (802828208).

The spelling of 201612106 in words is "two hundred one million, six hundred twelve thousand, one hundred six".