191214911366 has 16 divisors (see below), whose sum is σ = 293862331728. Its totient is φ = 93261504000.

The previous prime is 191214911353. The next prime is 191214911413. The reversal of 191214911366 is 663119412191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382166 + ... + 726966.

It is an arithmetic number, because the mean of its divisors is an integer number (18366395733).

Almost surely, 2^191214911366 is an apocalyptic number.

191214911366 is a deficient number, since it is larger than the sum of its proper divisors (102647420362).

191214911366 is a wasteful number, since it uses less digits than its factorization.

191214911366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351607.

The product of its digits is 69984, while the sum is 44.

The spelling of 191214911366 in words is "one hundred ninety-one billion, two hundred fourteen million, nine hundred eleven thousand, three hundred sixty-six".