16505156000 has 48 divisors (see below), whose sum is σ = 40553178120. Its totient is φ = 6602060800.

The previous prime is 16505155973. The next prime is 16505156011. The reversal of 16505156000 is 65150561.

16505156000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3942332944 + 12562823056 = 62788^2 + 112084^2 .

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, 2059145 + ... + 2067144.

Almost surely, 2^16505156000 is an apocalyptic number.

16505156000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16505156000 is an abundant number, since it is smaller than the sum of its proper divisors (24048022120).

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

16505156000 is an equidigital number, since it uses as much as digits as its factorization.

16505156000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126314 (or 4126296 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 16505156000 in words is "sixteen billion, five hundred five million, one hundred fifty-six thousand".