201624401 has 8 divisors (see below), whose sum is σ = 220061664. Its totient is φ = 183205120.

The previous prime is 201624391. The next prime is 201624413. The reversal of 201624401 is 104426102.

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

It is a cyclic number.

It is not a de Polignac number, because 201624401 - 2¹⁰ = 201623377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201624421) 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, 31586 + ... + 37428.

It is an arithmetic number, because the mean of its divisors is an integer number (27507708).

Almost surely, 2^201624401 is an apocalyptic number.

It is an amenable number.

201624401 is a deficient number, since it is larger than the sum of its proper divisors (18437263).

201624401 is a wasteful number, since it uses less digits than its factorization.

201624401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8991.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 201624401 is about 14199.4507288134. The cubic root of 201624401 is about 586.3825395796.

The spelling of 201624401 in words is "two hundred one million, six hundred twenty-four thousand, four hundred one".