100168998 has 64 divisors (see below), whose sum is σ = 222289920. Its totient is φ = 29952000.

The previous prime is 100168997. The next prime is 100169009. The reversal of 100168998 is 899861001.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100168997) 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, 249598 + ... + 249998.

It is an arithmetic number, because the mean of its divisors is an integer number (3473280).

Almost surely, 2^100168998 is an apocalyptic number.

100168998 is an abundant number, since it is smaller than the sum of its proper divisors (122120922).

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

100168998 is a wasteful number, since it uses less digits than its factorization.

100168998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 100168998 is about 10008.4463329730. The cubic root of 100168998 is about 464.4202092812.

The spelling of 100168998 in words is "one hundred million, one hundred sixty-eight thousand, nine hundred ninety-eight".