16555235022432 has 36 divisors (see below), whose sum is σ = 47078949595860. Its totient is φ = 5518411674048.

The previous prime is 16555235022427. The next prime is 16555235022497. The reversal of 16555235022432 is 23422053255561.

16555235022432 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 52 + 350 + 2 + 243 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28741727182 + ... + 28741727757.

It is an arithmetic number, because the mean of its divisors is an integer number (1307748599885).

Almost surely, 2^{16555235022432} is an apocalyptic number.

16555235022432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16555235022432 is an abundant number, since it is smaller than the sum of its proper divisors (30523714573428).

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

16555235022432 is a wasteful number, since it uses less digits than its factorization.

16555235022432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57483454955 (or 57483454944 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

Adding to 16555235022432 its reverse (23422053255561), we get a palindrome (39977288277993).

The spelling of 16555235022432 in words is "sixteen trillion, five hundred fifty-five billion, two hundred thirty-five million, twenty-two thousand, four hundred thirty-two".