998167512 has 64 divisors (see below), whose sum is σ = 2727475200. Its totient is φ = 303045120.

The previous prime is 998167477. The next prime is 998167519. The reversal of 998167512 is 215761899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998167519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26812 + ... + 52107.

It is an arithmetic number, because the mean of its divisors is an integer number (42616800).

Almost surely, 2^998167512 is an apocalyptic number.

It is an amenable number.

998167512 is an abundant number, since it is smaller than the sum of its proper divisors (1729307688).

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

998167512 is a wasteful number, since it uses less digits than its factorization.

998167512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78976 (or 78972 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The square root of 998167512 is about 31593.7891364743. The cubic root of 998167512 is about 999.3887971739.

The spelling of 998167512 in words is "nine hundred ninety-eight million, one hundred sixty-seven thousand, five hundred twelve".