100866912 has 48 divisors (see below), whose sum is σ = 267986880. Its totient is φ = 33214592.

The previous prime is 100866911. The next prime is 100866919. The reversal of 100866912 is 219668001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100866911) 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, 1639 + ... + 14297.

It is an arithmetic number, because the mean of its divisors is an integer number (5583060).

Almost surely, 2^100866912 is an apocalyptic number.

100866912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100866912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133993440).

100866912 is an abundant number, since it is smaller than the sum of its proper divisors (167119968).

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

100866912 is a wasteful number, since it uses less digits than its factorization.

100866912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12755 (or 12747 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 100866912 is about 10043.2520629525. The cubic root of 100866912 is about 465.4963090263.

The spelling of 100866912 in words is "one hundred million, eight hundred sixty-six thousand, nine hundred twelve".