16650101 has 8 divisors (see below), whose sum is σ = 17987424. Its totient is φ = 15320880.

The previous prime is 16650097. The next prime is 16650107. The reversal of 16650101 is 10105661.

It is a happy number.

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 16650101 - 2² = 16650097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16650107) 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, 2666 + ... + 6356.

It is an arithmetic number, because the mean of its divisors is an integer number (2248428).

Almost surely, 2^16650101 is an apocalyptic number.

It is an amenable number.

16650101 is a deficient number, since it is larger than the sum of its proper divisors (1337323).

16650101 is a wasteful number, since it uses less digits than its factorization.

16650101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 16650101 is about 4080.4535287147. The cubic root of 16650101 is about 255.3518198993.

Adding to 16650101 its reverse (10105661), we get a palindrome (26755762).

The spelling of 16650101 in words is "sixteen million, six hundred fifty thousand, one hundred one".