16334556516 has 18 divisors (see below), whose sum is σ = 41290129062. Its totient is φ = 5444852160.

The previous prime is 16334556499. The next prime is 16334556551. The reversal of 16334556516 is 61565543361.

It is a happy number.

16334556516 is a `hidden beast` number, since 1 + 6 + 33 + 45 + 565 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14090639616 + 2243916900 = 118704^2 + 47370^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226868805 + ... + 226868876.

It is an arithmetic number, because the mean of its divisors is an integer number (2293896059).

Almost surely, 2^16334556516 is an apocalyptic number.

It is an amenable number.

16334556516 is an abundant number, since it is smaller than the sum of its proper divisors (24955572546).

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

16334556516 is a wasteful number, since it uses less digits than its factorization.

16334556516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453737691 (or 453737686 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The spelling of 16334556516 in words is "sixteen billion, three hundred thirty-four million, five hundred fifty-six thousand, five hundred sixteen".