108646447289328 has 120 divisors (see below), whose sum is σ = 327460553089488. Its totient is φ = 33428427227136.

The previous prime is 108646447289299. The next prime is 108646447289329. The reversal of 108646447289328 is 823982744646801.

108646447289328 is a `hidden beast` number, since 1 + 0 + 8 + 6 + 4 + 64 + 472 + 8 + 93 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108646447289329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49673776 + ... + 51814832.

Almost surely, 2^{108646447289328} is an apocalyptic number.

108646447289328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108646447289328 is an abundant number, since it is smaller than the sum of its proper divisors (218814105800160).

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

108646447289328 is a wasteful number, since it uses less digits than its factorization.

108646447289328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168191 (or 2168182 counting only the distinct ones).

The product of its (nonzero) digits is 891813888, while the sum is 72.

The spelling of 108646447289328 in words is "one hundred eight trillion, six hundred forty-six billion, four hundred forty-seven million, two hundred eighty-nine thousand, three hundred twenty-eight".