191040967 has 8 divisors (see below), whose sum is σ = 214681824. Its totient is φ = 168678048.

The previous prime is 191040961. The next prime is 191040977. The reversal of 191040967 is 769040191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 191040967 - 2¹⁵ = 191008199 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 (191040961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319168 + ... + 319765.

It is an arithmetic number, because the mean of its divisors is an integer number (26835228).

Almost surely, 2^191040967 is an apocalyptic number.

191040967 is a deficient number, since it is larger than the sum of its proper divisors (23640857).

191040967 is a wasteful number, since it uses less digits than its factorization.

191040967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638969.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 191040967 is about 13821.7570156619. The cubic root of 191040967 is about 575.9376931945.

The spelling of 191040967 in words is "one hundred ninety-one million, forty thousand, nine hundred sixty-seven".