98166858 has 16 divisors (see below), whose sum is σ = 196439040. Its totient is φ = 32704736.

The previous prime is 98166851. The next prime is 98166869. The reversal of 98166858 is 85866189.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 98166858.

It is not an unprimeable number, because it can be changed into a prime (98166851) 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, 13078 + ... + 19166.

It is an arithmetic number, because the mean of its divisors is an integer number (12277440).

Almost surely, 2^98166858 is an apocalyptic number.

98166858 is an abundant number, since it is smaller than the sum of its proper divisors (98272182).

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

98166858 is a wasteful number, since it uses less digits than its factorization.

98166858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8781.

The product of its digits is 829440, while the sum is 51.

The square root of 98166858 is about 9907.9189540488. The cubic root of 98166858 is about 461.3051434869.

The spelling of 98166858 in words is "ninety-eight million, one hundred sixty-six thousand, eight hundred fifty-eight".