16309618960 has 40 divisors (see below), whose sum is σ = 38021595480. Its totient is φ = 6506345472.

The previous prime is 16309618957. The next prime is 16309618961. The reversal of 16309618960 is 6981690361.

It can be written as a sum of positive squares in 4 ways, for example, as 3466383376 + 12843235584 = 58876^2 + 113328^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (16309618961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243445 + ... + 303124.

It is an arithmetic number, because the mean of its divisors is an integer number (950539887).

Almost surely, 2^16309618960 is an apocalyptic number.

16309618960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16309618960 is an abundant number, since it is smaller than the sum of its proper divisors (21711976520).

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

16309618960 is a wasteful number, since it uses less digits than its factorization.

16309618960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546955 (or 546949 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 16309618960 in words is "sixteen billion, three hundred nine million, six hundred eighteen thousand, nine hundred sixty".