201068172 has 72 divisors (see below), whose sum is σ = 523547024. Its totient is φ = 65028096.

The previous prime is 201068171. The next prime is 201068213. The reversal of 201068172 is 271860102.

It is not an unprimeable number, because it can be changed into a prime (201068171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298428 + ... + 299100.

Almost surely, 2^201068172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201068172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261773512).

201068172 is an abundant number, since it is smaller than the sum of its proper divisors (322478852).

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

201068172 is a wasteful number, since it uses less digits than its factorization.

201068172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 201068172 is about 14179.8509160005. The cubic root of 201068172 is about 585.8428175927.

The spelling of 201068172 in words is "two hundred one million, sixty-eight thousand, one hundred seventy-two".