191268950 has 12 divisors (see below), whose sum is σ = 355760340. Its totient is φ = 76507560.

The previous prime is 191268937. The next prime is 191268967. The reversal of 191268950 is 59862191.

It is a happy number.

191268950 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×191268950² = 73167622468205000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 191268898 and 191268907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1912640 + ... + 1912739.

It is an arithmetic number, because the mean of its divisors is an integer number (29646695).

Almost surely, 2^191268950 is an apocalyptic number.

191268950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191268950 is a deficient number, since it is larger than the sum of its proper divisors (164491390).

191268950 is a wasteful number, since it uses less digits than its factorization.

191268950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825391 (or 3825386 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 191268950 is about 13830.0018076644. The cubic root of 191268950 is about 576.1667048183.

The spelling of 191268950 in words is "one hundred ninety-one million, two hundred sixty-eight thousand, nine hundred fifty".