201612801 has 8 divisors (see below), whose sum is σ = 289495360. Its totient is φ = 124069392.

The previous prime is 201612793. The next prime is 201612811. The reversal of 201612801 is 108216102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201612801 - 2³ = 201612793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201612811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584741 + ... + 2584818.

It is an arithmetic number, because the mean of its divisors is an integer number (36186920).

Almost surely, 2^201612801 is an apocalyptic number.

It is an amenable number.

201612801 is a deficient number, since it is larger than the sum of its proper divisors (87882559).

201612801 is a wasteful number, since it uses less digits than its factorization.

201612801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169575.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 201612801 is about 14199.0422564341. The cubic root of 201612801 is about 586.3712939700.

Adding to 201612801 its reverse (108216102), we get a palindrome (309828903).

The spelling of 201612801 in words is "two hundred one million, six hundred twelve thousand, eight hundred one".