16555335120472 has 32 divisors (see below), whose sum is σ = 31713074251200. Its totient is φ = 8098641639424.

The previous prime is 16555335120451. The next prime is 16555335120509. The reversal of 16555335120472 is 27402153355561.

It is a super-2 number, since 2×16555335120472² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6844873 + ... + 8942200.

It is an arithmetic number, because the mean of its divisors is an integer number (991033570350).

Almost surely, 2^{16555335120472} is an apocalyptic number.

It is an amenable number.

16555335120472 is a deficient number, since it is larger than the sum of its proper divisors (15157739130728).

16555335120472 is a wasteful number, since it uses less digits than its factorization.

16555335120472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15789915 (or 15789911 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 16555335120472 in words is "sixteen trillion, five hundred fifty-five billion, three hundred thirty-five million, one hundred twenty thousand, four hundred seventy-two".