10016191 has 4 divisors (see below), whose sum is σ = 10136952. Its totient is φ = 9895432.

The previous prime is 10016189. The next prime is 10016197. The reversal of 10016191 is 19161001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10016191 - 2¹ = 10016189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10016197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60256 + ... + 60421.

It is an arithmetic number, because the mean of its divisors is an integer number (2534238).

Almost surely, 2^10016191 is an apocalyptic number.

10016191 is a deficient number, since it is larger than the sum of its proper divisors (120761).

10016191 is an equidigital number, since it uses as much as digits as its factorization.

10016191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120760.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 10016191 is about 3164.8366466533. The cubic root of 10016191 is about 215.5596811463.

Adding to 10016191 its reverse (19161001), we get a palindrome (29177192).

It can be divided in two parts, 100 and 16191, that multiplied together give a triangular number (1619100 = T₁₇₉₉).

The spelling of 10016191 in words is "ten million, sixteen thousand, one hundred ninety-one".