98166666 has 32 divisors (see below), whose sum is σ = 211982400. Its totient is φ = 30127104.

The previous prime is 98166641. The next prime is 98166667. The reversal of 98166666 is 66666189.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (98166667) 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, 33621 + ... + 36423.

It is an arithmetic number, because the mean of its divisors is an integer number (6624450).

Almost surely, 2^98166666 is an apocalyptic number.

98166666 is an abundant number, since it is smaller than the sum of its proper divisors (113815734).

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

98166666 is a wasteful number, since it uses less digits than its factorization.

98166666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270.

The product of its digits is 559872, while the sum is 48.

The square root of 98166666 is about 9907.9092648247. The cubic root of 98166666 is about 461.3048427383.

It can be divided in two parts, 9816 and 6666, that multiplied together give a palindrome (65433456).

The spelling of 98166666 in words is "ninety-eight million, one hundred sixty-six thousand, six hundred sixty-six".