16091176201 has 3 divisors (see below), whose sum is σ = 16091303053. Its totient is φ = 16091049350.

The previous prime is 16091176187. The next prime is 16091176207. The reversal of 16091176201 is 10267119061.

The square root of 16091176201 is 126851.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10267119061 = 67 ⋅153240583.

It is not a de Polignac number, because 16091176201 - 2¹⁷ = 16091045129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16091176207) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 63426 + ... + 190276.

Almost surely, 2^16091176201 is an apocalyptic number.

16091176201 is the 126851-st square number.

16091176201 is the 63426-th centered octagonal number.

It is an amenable number.

16091176201 is a deficient number, since it is larger than the sum of its proper divisors (126852).

16091176201 is an frugal number, since it uses more digits than its factorization.

16091176201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253702 (or 126851 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 16091176201 in words is "sixteen billion, ninety-one million, one hundred seventy-six thousand, two hundred one".