16016897680 has 40 divisors (see below), whose sum is σ = 42559186752. Its totient is φ = 5491507584.

The previous prime is 16016897669. The next prime is 16016897707. The reversal of 16016897680 is 8679861061.

It is a happy number.

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

It is a super-3 number, since 3×16016897680³ (a number of 32 digits) contains 333 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14300242 + ... + 14301361.

Almost surely, 2^16016897680 is an apocalyptic number.

16016897680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16016897680 is an abundant number, since it is smaller than the sum of its proper divisors (26542289072).

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

16016897680 is a wasteful number, since it uses less digits than its factorization.

16016897680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28601623 (or 28601617 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 16016897680 in words is "sixteen billion, sixteen million, eight hundred ninety-seven thousand, six hundred eighty".