191046201663 has 16 divisors (see below), whose sum is σ = 257282058240. Its totient is φ = 126089867904.

The previous prime is 191046201629. The next prime is 191046201679. The reversal of 191046201663 is 366102640191.

It is not a de Polignac number, because 191046201663 - 2¹⁴ = 191046185279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191046202663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36831 + ... + 619232.

It is an arithmetic number, because the mean of its divisors is an integer number (16080128640).

Almost surely, 2^191046201663 is an apocalyptic number.

191046201663 is a deficient number, since it is larger than the sum of its proper divisors (66235856577).

191046201663 is a wasteful number, since it uses less digits than its factorization.

191046201663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657038.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 191046201663 in words is "one hundred ninety-one billion, forty-six million, two hundred one thousand, six hundred sixty-three".