16159945900 has 36 divisors (see below), whose sum is σ = 40076667568. Its totient is φ = 5540552640.

The previous prime is 16159945853. The next prime is 16159946021. The reversal of 16159945900 is 954995161.

16159945900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×16159945900⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 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 11 ways as a sum of consecutive naturals, for example, 11542119 + ... + 11543518.

Almost surely, 2^16159945900 is an apocalyptic number.

16159945900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16159945900 is an abundant number, since it is smaller than the sum of its proper divisors (23916721668).

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

16159945900 is a wasteful number, since it uses less digits than its factorization.

16159945900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23085658 (or 23085651 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 49.

The spelling of 16159945900 in words is "sixteen billion, one hundred fifty-nine million, nine hundred forty-five thousand, nine hundred".