891343343198 has 128 divisors (see below), whose sum is σ = 1703712890880. Its totient is φ = 339721200000.

The previous prime is 891343343173. The next prime is 891343343251.

891343343198 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×891343343198² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 521557568 + ... + 521559276.

It is an arithmetic number, because the mean of its divisors is an integer number (13310256960).

Almost surely, 2^891343343198 is an apocalyptic number.

891343343198 is a deficient number, since it is larger than the sum of its proper divisors (812369547682).

891343343198 is a wasteful number, since it uses less digits than its factorization.

891343343198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214.

The product of its digits is 6718464, while the sum is 56.

The spelling of 891343343198 in words is "eight hundred ninety-one billion, three hundred forty-three million, three hundred forty-three thousand, one hundred ninety-eight".