998003974066 has 16 divisors (see below), whose sum is σ = 1649266697088. Its totient is φ = 449146702000.

The previous prime is 998003974043. The next prime is 998003974087. The reversal of 998003974066 is 660479300899.

It is a junction number, because it is equal to n+sod(n) for n = 998003973995 and 998003974013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224571130 + ... + 224575573.

It is an arithmetic number, because the mean of its divisors is an integer number (103079168568).

Almost surely, 2^998003974066 is an apocalyptic number.

998003974066 is a deficient number, since it is larger than the sum of its proper divisors (651262723022).

998003974066 is a wasteful number, since it uses less digits than its factorization.

998003974066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449146817.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 998003974066 in words is "nine hundred ninety-eight billion, three million, nine hundred seventy-four thousand, sixty-six".