16201116 has 36 divisors (see below), whose sum is σ = 42063112. Its totient is φ = 5253984.

The previous prime is 16201103. The next prime is 16201117. The reversal of 16201116 is 61110261.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4750 + ... + 7413.

Almost surely, 2^16201116 is an apocalyptic number.

It is an amenable number.

16201116 is an abundant number, since it is smaller than the sum of its proper divisors (25861996).

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

16201116 is a wasteful number, since it uses less digits than its factorization.

16201116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210 (or 12205 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 16201116 is about 4025.0609933267. The cubic root of 16201116 is about 253.0356097710.

Adding to 16201116 its reverse (61110261), we get a palindrome (77311377).

The spelling of 16201116 in words is "sixteen million, two hundred one thousand, one hundred sixteen".