16555340742045 has 32 divisors (see below), whose sum is σ = 30566532052992. Its totient is φ = 7494678522432.

The previous prime is 16555340742023. The next prime is 16555340742079. The reversal of 16555340742045 is 54024704355561.

It is not a de Polignac number, because 16555340742045 - 2²⁸ = 16555072306589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 765377107 + ... + 765398736.

It is an arithmetic number, because the mean of its divisors is an integer number (955204126656).

Almost surely, 2^{16555340742045} is an apocalyptic number.

16555340742045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16555340742045 is a deficient number, since it is larger than the sum of its proper divisors (14011191310947).

16555340742045 is a wasteful number, since it uses less digits than its factorization.

16555340742045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530775961.

The product of its (nonzero) digits is 10080000, while the sum is 51.

The spelling of 16555340742045 in words is "sixteen trillion, five hundred fifty-five billion, three hundred forty million, seven hundred forty-two thousand, forty-five".