998166534 has 16 divisors (see below), whose sum is σ = 1996826688. Its totient is φ = 332639912.

The previous prime is 998166529. The next prime is 998166541. The reversal of 998166534 is 435661899.

It is a congruent number.

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, 8989 + ... + 45575.

It is an arithmetic number, because the mean of its divisors is an integer number (124801668).

Almost surely, 2^998166534 is an apocalyptic number.

998166534 is an abundant number, since it is smaller than the sum of its proper divisors (998660154).

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

998166534 is a wasteful number, since it uses less digits than its factorization.

998166534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41139.

The product of its digits is 1399680, while the sum is 51.

The square root of 998166534 is about 31593.7736587449. The cubic root of 998166534 is about 999.3884707749.

The spelling of 998166534 in words is "nine hundred ninety-eight million, one hundred sixty-six thousand, five hundred thirty-four".