998500316625 has 96 divisors (see below), whose sum is σ = 2059075190016. Its totient is φ = 456019200000.

The previous prime is 998500316621. The next prime is 998500316633. The reversal of 998500316625 is 526613005899.

It is a happy number.

998500316625 is a `hidden beast` number, since 9 + 9 + 8 + 5 + 0 + 0 + 3 + 1 + 6 + 625 = 666.

It is not a de Polignac number, because 998500316625 - 2² = 998500316621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998500316621) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8216305 + ... + 8336945.

It is an arithmetic number, because the mean of its divisors is an integer number (21448699896).

Almost surely, 2^998500316625 is an apocalyptic number.

It is an amenable number.

998500316625 is an abundant number, since it is smaller than the sum of its proper divisors (1060574873391).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998500316625 is a wasteful number, since it uses less digits than its factorization.

998500316625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121720 (or 121707 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

It can be divided in two parts, 9985003 and 16625, that added together give a triangular number (10001628 = T₄₄₇₂).

The spelling of 998500316625 in words is "nine hundred ninety-eight billion, five hundred million, three hundred sixteen thousand, six hundred twenty-five".