191368001 has 16 divisors (see below), whose sum is σ = 214228800. Its totient is φ = 169465920.

The previous prime is 191367983. The next prime is 191368003. The reversal of 191368001 is 100863191.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-191368001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (191368003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85766 + ... + 87968.

It is an arithmetic number, because the mean of its divisors is an integer number (13389300).

Almost surely, 2^191368001 is an apocalyptic number.

191368001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

191368001 is a deficient number, since it is larger than the sum of its proper divisors (22860799).

191368001 is a wasteful number, since it uses less digits than its factorization.

191368001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 191368001 is about 13833.5823632203. The cubic root of 191368001 is about 576.2661460147.

The spelling of 191368001 in words is "one hundred ninety-one million, three hundred sixty-eight thousand, one".