16116708521685 has 64 divisors (see below), whose sum is σ = 26295353948160. Its totient is φ = 8426847394560.

The previous prime is 16116708521663. The next prime is 16116708521723. The reversal of 16116708521685 is 58612580761161.

It is not a de Polignac number, because 16116708521685 - 2⁵ = 16116708521653 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1403521954 + ... + 1403533436.

It is an arithmetic number, because the mean of its divisors is an integer number (410864905440).

Almost surely, 2^{16116708521685} is an apocalyptic number.

16116708521685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16116708521685 is a deficient number, since it is larger than the sum of its proper divisors (10178645426475).

16116708521685 is a wasteful number, since it uses less digits than its factorization.

16116708521685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15738.

The product of its (nonzero) digits is 4838400, while the sum is 57.

The spelling of 16116708521685 in words is "sixteen trillion, one hundred sixteen billion, seven hundred eight million, five hundred twenty-one thousand, six hundred eighty-five".