998617725682 has 16 divisors (see below), whose sum is σ = 1546895895552. Its totient is φ = 482999283360.

The previous prime is 998617725659. The next prime is 998617725683. The reversal of 998617725682 is 286527716899.

It is not an unprimeable number, because it can be changed into a prime (998617725683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231763 + ... + 3527254.

It is an arithmetic number, because the mean of its divisors is an integer number (96680993472).

Almost surely, 2^998617725682 is an apocalyptic number.

998617725682 is a deficient number, since it is larger than the sum of its proper divisors (548278169870).

998617725682 is a wasteful number, since it uses less digits than its factorization.

998617725682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6761433.

The product of its digits is 182891520, while the sum is 70.

The spelling of 998617725682 in words is "nine hundred ninety-eight billion, six hundred seventeen million, seven hundred twenty-five thousand, six hundred eighty-two".