16687765627752 has 16 divisors (see below), whose sum is σ = 41719414069440. Its totient is φ = 5562588542576.

The previous prime is 16687765627747. The next prime is 16687765627787. The reversal of 16687765627752 is 25772656778661.

It is a super-2 number, since 2×16687765627752² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347661783888 + ... + 347661783935.

It is an arithmetic number, because the mean of its divisors is an integer number (2607463379340).

Almost surely, 2^{16687765627752} is an apocalyptic number.

16687765627752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16687765627752 is an abundant number, since it is smaller than the sum of its proper divisors (25031648441688).

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

16687765627752 is a wasteful number, since it uses less digits than its factorization.

16687765627752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695323567832 (or 695323567828 counting only the distinct ones).

The product of its digits is 2489356800, while the sum is 75.

The spelling of 16687765627752 in words is "sixteen trillion, six hundred eighty-seven billion, seven hundred sixty-five million, six hundred twenty-seven thousand, seven hundred fifty-two".