109446281568 has 96 divisors (see below), whose sum is σ = 343773612000. Its totient is φ = 33675775488.

The previous prime is 109446281543. The next prime is 109446281569. The reversal of 109446281568 is 865182644901.

109446281568 is a `hidden beast` number, since 1 + 0 + 9 + 4 + 4 + 628 + 1 + 5 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109446281569) 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, 4860843 + ... + 4883306.

It is an arithmetic number, because the mean of its divisors is an integer number (3580975125).

Almost surely, 2^109446281568 is an apocalyptic number.

109446281568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

109446281568 is an abundant number, since it is smaller than the sum of its proper divisors (234327330432).

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

109446281568 is a wasteful number, since it uses less digits than its factorization.

109446281568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744181 (or 9744167 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 109446281568 in words is "one hundred nine billion, four hundred forty-six million, two hundred eighty-one thousand, five hundred sixty-eight".