190080091 has 2 divisors, whose sum is σ = 190080092. Its totient is φ = 190080090.

The previous prime is 190080067. The next prime is 190080097.

190080091 = 5626² + 5627² + ... + 5631².

190080091 is nontrivially palindromic in base 10 and base 16.

190080091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 190080091 - 2²³ = 181691483 is a prime.

It is a super-2 number, since 2×190080091² = 72260881989136562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190080097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95040045 + 95040046.

It is an arithmetic number, because the mean of its divisors is an integer number (95040046).

Almost surely, 2^190080091 is an apocalyptic number.

190080091 is a deficient number, since it is larger than the sum of its proper divisors (1).

190080091 is an equidigital number, since it uses as much as digits as its factorization.

190080091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 190080091 is about 13786.9536519131. The cubic root of 190080091 is about 574.9704746024.

The spelling of 190080091 in words is "one hundred ninety million, eighty thousand, ninety-one".