16555344601340 has 12 divisors (see below), whose sum is σ = 34766223662856. Its totient is φ = 6622137840528.

The previous prime is 16555344601337. The next prime is 16555344601363. The reversal of 16555344601340 is 4310644355561.

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, 413883615014 + ... + 413883615053.

It is an arithmetic number, because the mean of its divisors is an integer number (2897185305238).

Almost surely, 2^{16555344601340} is an apocalyptic number.

16555344601340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16555344601340 is an abundant number, since it is smaller than the sum of its proper divisors (18210879061516).

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

16555344601340 is a wasteful number, since it uses less digits than its factorization.

16555344601340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827767230076 (or 827767230074 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 16555344601340 in words is "sixteen trillion, five hundred fifty-five billion, three hundred forty-four million, six hundred one thousand, three hundred forty".