16555220622652 has 12 divisors (see below), whose sum is σ = 28992737072376. Its totient is φ = 8271581459120.

The previous prime is 16555220622631. The next prime is 16555220622671. The reversal of 16555220622652 is 25622602255561.

It is a junction number, because it is equal to n+sod(n) for n = 16555220622596 and 16555220622605.

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, 1507206874 + ... + 1507217857.

It is an arithmetic number, because the mean of its divisors is an integer number (2416061422698).

Almost surely, 2^{16555220622652} is an apocalyptic number.

It is an amenable number.

16555220622652 is a deficient number, since it is larger than the sum of its proper divisors (12437516449724).

16555220622652 is a wasteful number, since it uses less digits than its factorization.

16555220622652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014426108 (or 3014426106 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 16555220622652 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty million, six hundred twenty-two thousand, six hundred fifty-two".