108641847906 has 48 divisors (see below), whose sum is σ = 238955150304. Its totient is φ = 35665800192.

The previous prime is 108641847863. The next prime is 108641847907. The reversal of 108641847906 is 609748146801.

108641847906 is a `hidden beast` number, since 108 + 64 + 1 + 8 + 479 + 0 + 6 = 666.

It is a super-3 number, since 3×108641847906³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (108641847907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9530146 + ... + 9541538.

It is an arithmetic number, because the mean of its divisors is an integer number (4978232298).

Almost surely, 2^108641847906 is an apocalyptic number.

108641847906 is an abundant number, since it is smaller than the sum of its proper divisors (130313302398).

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

108641847906 is a wasteful number, since it uses less digits than its factorization.

108641847906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19375 (or 19372 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 108641847906 in words is "one hundred eight billion, six hundred forty-one million, eight hundred forty-seven thousand, nine hundred six".