999996611398 has 16 divisors (see below), whose sum is σ = 1516890078000. Its totient is φ = 494366891392.

The previous prime is 999996611371. The next prime is 999996611399. The reversal of 999996611398 is 893116699999.

999996611398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999996611399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10879698 + ... + 10971226.

It is an arithmetic number, because the mean of its divisors is an integer number (94805629875).

Almost surely, 2^999996611398 is an apocalyptic number.

999996611398 is a deficient number, since it is larger than the sum of its proper divisors (516893466602).

999996611398 is a wasteful number, since it uses less digits than its factorization.

999996611398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152999.

The product of its digits is 459165024, while the sum is 79.

The spelling of 999996611398 in words is "nine hundred ninety-nine billion, nine hundred ninety-six million, six hundred eleven thousand, three hundred ninety-eight".