199441121164 has 12 divisors (see below), whose sum is σ = 358454988304. Its totient is φ = 97025410224.

The previous prime is 199441121137. The next prime is 199441121167. The reversal of 199441121164 is 461121144991.

199441121164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×199441121164² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 199441121164.

It is not an unprimeable number, because it can be changed into a prime (199441121167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673787424 + ... + 673787719.

Almost surely, 2^199441121164 is an apocalyptic number.

It is an amenable number.

199441121164 is a deficient number, since it is larger than the sum of its proper divisors (159013867140).

199441121164 is a wasteful number, since it uses less digits than its factorization.

199441121164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347575184 (or 1347575182 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The spelling of 199441121164 in words is "one hundred ninety-nine billion, four hundred forty-one million, one hundred twenty-one thousand, one hundred sixty-four".