100666098 has 64 divisors (see below), whose sum is σ = 242484480. Its totient is φ = 30772224.

The previous prime is 100666091. The next prime is 100666103. The reversal of 100666098 is 890666001.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (100666091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135115 + ... + 135857.

It is an arithmetic number, because the mean of its divisors is an integer number (3788820).

Almost surely, 2^100666098 is an apocalyptic number.

100666098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100666098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121242240).

100666098 is an abundant number, since it is smaller than the sum of its proper divisors (141818382).

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

100666098 is a wasteful number, since it uses less digits than its factorization.

100666098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 100666098 is about 10033.2496231281. The cubic root of 100666098 is about 465.1871879040.

The spelling of 100666098 in words is "one hundred million, six hundred sixty-six thousand, ninety-eight".