16555220345002 has 16 divisors (see below), whose sum is σ = 24953921735040. Its totient is φ = 8237309651968.

The previous prime is 16555220344931. The next prime is 16555220345017. The reversal of 16555220345002 is 20054302255561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15280258 + ... + 16327789.

It is an arithmetic number, because the mean of its divisors is an integer number (1559620108440).

Almost surely, 2^{16555220345002} is an apocalyptic number.

16555220345002 is a deficient number, since it is larger than the sum of its proper divisors (8398701390038).

16555220345002 is a wasteful number, since it uses less digits than its factorization.

16555220345002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31609325.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 16555220345002 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty million, three hundred forty-five thousand, two".