100891068 has 24 divisors (see below), whose sum is σ = 235638480. Its totient is φ = 33598080.

The previous prime is 100891067. The next prime is 100891069. The reversal of 100891068 is 860198001.

It is an interprime number because it is at equal distance from previous prime (100891067) and next prime (100891069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100891061) 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, 11328 + ... + 18168.

It is an arithmetic number, because the mean of its divisors is an integer number (9818270).

Almost surely, 2^100891068 is an apocalyptic number.

It is an amenable number.

100891068 is an abundant number, since it is smaller than the sum of its proper divisors (134747412).

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

100891068 is a wasteful number, since it uses less digits than its factorization.

100891068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077 (or 8075 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 100891068 is about 10044.4545894737. The cubic root of 100891068 is about 465.5334656819.

The spelling of 100891068 in words is "one hundred million, eight hundred ninety-one thousand, sixty-eight".