201704906106 has 64 divisors (see below), whose sum is σ = 495018518400. Its totient is φ = 61122684240.

The previous prime is 201704906101. The next prime is 201704906131. The reversal of 201704906106 is 601609407102.

201704906106 is a `hidden beast` number, since 20 + 17 + 0 + 4 + 9 + 0 + 610 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201704906101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2048001 + ... + 2144228.

It is an arithmetic number, because the mean of its divisors is an integer number (7734664350).

Almost surely, 2^201704906106 is an apocalyptic number.

201704906106 is an abundant number, since it is smaller than the sum of its proper divisors (293313612294).

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

201704906106 is an equidigital number, since it uses as much as digits as its factorization.

201704906106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192263 (or 4192245 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 201704906106 in words is "two hundred one billion, seven hundred four million, nine hundred six thousand, one hundred six".