993398106998 has 32 divisors (see below), whose sum is σ = 1629731128320. Its totient is φ = 450387171360.

The previous prime is 993398106979. The next prime is 993398107007. The reversal of 993398106998 is 899601893399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19268411 + ... + 19319897.

It is an arithmetic number, because the mean of its divisors is an integer number (50929097760).

Almost surely, 2^993398106998 is an apocalyptic number.

993398106998 is a deficient number, since it is larger than the sum of its proper divisors (636333021322).

993398106998 is a wasteful number, since it uses less digits than its factorization.

993398106998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53732.

The product of its (nonzero) digits is 204073344, while the sum is 74.

The spelling of 993398106998 in words is "nine hundred ninety-three billion, three hundred ninety-eight million, one hundred six thousand, nine hundred ninety-eight".