2170648665108 has 144 divisors (see below), whose sum is σ = 7094196555264. Its totient is φ = 563804828640.

The previous prime is 2170648665103. The next prime is 2170648665121. The reversal of 2170648665108 is 8015668460712.

2170648665108 is a `hidden beast` number, since 2 + 1 + 7 + 0 + 64 + 8 + 66 + 510 + 8 = 666.

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 (2170648665103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14426310 + ... + 14575997.

It is an arithmetic number, because the mean of its divisors is an integer number (49265253856).

Almost surely, 2^{2170648665108} is an apocalyptic number.

2170648665108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2170648665108 is an abundant number, since it is smaller than the sum of its proper divisors (4923547890156).

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

2170648665108 is a wasteful number, since it uses less digits than its factorization.

2170648665108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29002344 (or 29002330 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 2170648665108 in words is "two trillion, one hundred seventy billion, six hundred forty-eight million, six hundred sixty-five thousand, one hundred eight".