1688545353171 has 16 divisors (see below), whose sum is σ = 2324690954240. Its totient is φ = 1089069312960.

The previous prime is 1688545353167. The next prime is 1688545353181. The reversal of 1688545353171 is 1713535458861.

It is not a de Polignac number, because 1688545353171 - 2² = 1688545353167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1688545353181) 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, 2299426 + ... + 2943543.

It is an arithmetic number, because the mean of its divisors is an integer number (145293184640).

Almost surely, 2^{1688545353171} is an apocalyptic number.

1688545353171 is a deficient number, since it is larger than the sum of its proper divisors (636145601069).

1688545353171 is a wasteful number, since it uses less digits than its factorization.

1688545353171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246466.

The product of its digits is 12096000, while the sum is 57.

The spelling of 1688545353171 in words is "one trillion, six hundred eighty-eight billion, five hundred forty-five million, three hundred fifty-three thousand, one hundred seventy-one".