891464464198 has 16 divisors (see below), whose sum is σ = 1667154322944. Its totient is φ = 347323817160.

The previous prime is 891464464171. The next prime is 891464464217.

891464464198 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2894364990 + ... + 2894365297.

It is an arithmetic number, because the mean of its divisors is an integer number (104197145184).

Almost surely, 2^891464464198 is an apocalyptic number.

891464464198 is a deficient number, since it is larger than the sum of its proper divisors (775689858746).

891464464198 is a wasteful number, since it uses less digits than its factorization.

891464464198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5788730307.

The product of its digits is 47775744, while the sum is 64.

The spelling of 891464464198 in words is "eight hundred ninety-one billion, four hundred sixty-four million, four hundred sixty-four thousand, one hundred ninety-eight".