16265112201 has 16 divisors (see below), whose sum is σ = 25950037120. Its totient is φ = 10009299600.

The previous prime is 16265112197. The next prime is 16265112221. The reversal of 16265112201 is 10221156261.

16265112201 is a `hidden beast` number, since 1 + 6 + 2 + 651 + 1 + 2 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 16265112201 - 2² = 16265112197 is a prime.

It is a super-2 number, since 2×16265112201² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16265112221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23169325 + ... + 23170026.

It is an arithmetic number, because the mean of its divisors is an integer number (1621877320).

Almost surely, 2^16265112201 is an apocalyptic number.

It is an amenable number.

16265112201 is a deficient number, since it is larger than the sum of its proper divisors (9684924919).

16265112201 is a wasteful number, since it uses less digits than its factorization.

16265112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46339373 (or 46339367 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 16265112201 its reverse (10221156261), we get a palindrome (26486268462).

The spelling of 16265112201 in words is "sixteen billion, two hundred sixty-five million, one hundred twelve thousand, two hundred one".