16610001 has 8 divisors (see below), whose sum is σ = 22191264. Its totient is φ = 11051040.

The previous prime is 16609993. The next prime is 16610021. The reversal of 16610001 is 10001661.

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

It is not a de Polignac number, because 16610001 - 2³ = 16609993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16610021) 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, 3751 + ... + 6876.

It is an arithmetic number, because the mean of its divisors is an integer number (2773908).

Almost surely, 2^16610001 is an apocalyptic number.

It is an amenable number.

16610001 is a deficient number, since it is larger than the sum of its proper divisors (5581263).

16610001 is a wasteful number, since it uses less digits than its factorization.

16610001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11151.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 16610001 is about 4075.5368971462. The cubic root of 16610001 is about 255.1466591953.

Adding to 16610001 its reverse (10001661), we get a palindrome (26611662).

The spelling of 16610001 in words is "sixteen million, six hundred ten thousand, one".