1016880191 has 2 divisors, whose sum is σ = 1016880192. Its totient is φ = 1016880190.

The previous prime is 1016880181. The next prime is 1016880199. The reversal of 1016880191 is 1910886101.

It is a strong prime.

It is an emirp because it is prime and its reverse (1910886101) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1610889101 and 1019880161.

It is a cyclic number.

It is not a de Polignac number, because 1016880191 - 2²⁶ = 949771327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016880199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508440095 + 508440096.

It is an arithmetic number, because the mean of its divisors is an integer number (508440096).

Almost surely, 2^1016880191 is an apocalyptic number.

1016880191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016880191 is an equidigital number, since it uses as much as digits as its factorization.

1016880191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 1016880191 is about 31888.5589357688. The cubic root of 1016880191 is about 1005.5953638434.

The spelling of 1016880191 in words is "one billion, sixteen million, eight hundred eighty thousand, one hundred ninety-one".