201642032106 has 48 divisors (see below), whose sum is σ = 443397374784. Its totient is φ = 66220167552.

The previous prime is 201642032077. The next prime is 201642032113. The reversal of 201642032106 is 601230246102.

201642032106 is a `hidden beast` number, since 2 + 0 + 1 + 642 + 0 + 3 + 2 + 10 + 6 = 666.

It is a super-2 number, since 2×201642032106² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201642032106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42865 + ... + 636491.

It is an arithmetic number, because the mean of its divisors is an integer number (9237445308).

Almost surely, 2^201642032106 is an apocalyptic number.

201642032106 is an abundant number, since it is smaller than the sum of its proper divisors (241755342678).

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

201642032106 is a wasteful number, since it uses less digits than its factorization.

201642032106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593915 (or 593912 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 201642032106 its reverse (601230246102), we get a palindrome (802872278208).

The spelling of 201642032106 in words is "two hundred one billion, six hundred forty-two million, thirty-two thousand, one hundred six".