16727672402556 has 12 divisors (see below), whose sum is σ = 39031235605992. Its totient is φ = 5575890800848.

The previous prime is 16727672402549. The next prime is 16727672402563. The reversal of 16727672402556 is 65520427672761.

It is an interprime number because it is at equal distance from previous prime (16727672402549) and next prime (16727672402563).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 16727672402556.

It is a congruent number.

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, 696986350095 + ... + 696986350118.

It is an arithmetic number, because the mean of its divisors is an integer number (3252602967166).

Almost surely, 2^{16727672402556} is an apocalyptic number.

It is an amenable number.

16727672402556 is an abundant number, since it is smaller than the sum of its proper divisors (22303563203436).

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

16727672402556 is a wasteful number, since it uses less digits than its factorization.

16727672402556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393972700220 (or 1393972700218 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 60.

The spelling of 16727672402556 in words is "sixteen trillion, seven hundred twenty-seven billion, six hundred seventy-two million, four hundred two thousand, five hundred fifty-six".