1609844057198 has 24 divisors (see below), whose sum is σ = 2687111073864. Its totient is φ = 719037036720.

The previous prime is 1609844057179. The next prime is 1609844057203. The reversal of 1609844057198 is 8917504489061.

It is a super-2 number, since 2×1609844057198² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 1609844057198.

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 11 ways as a sum of consecutive naturals, for example, 32189936 + ... + 32239907.

It is an arithmetic number, because the mean of its divisors is an integer number (111962961411).

Almost surely, 2^{1609844057198} is an apocalyptic number.

1609844057198 is a deficient number, since it is larger than the sum of its proper divisors (1077267016666).

1609844057198 is a wasteful number, since it uses less digits than its factorization.

1609844057198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64429920 (or 64429889 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 1609844057198 in words is "one trillion, six hundred nine billion, eight hundred forty-four million, fifty-seven thousand, one hundred ninety-eight".