16280081883648 has 120 divisors (see below), whose sum is σ = 51256820465136. Its totient is φ = 4933358131200.

The previous prime is 16280081883643. The next prime is 16280081883743. The reversal of 16280081883648 is 84638818008261.

16280081883648 is a `hidden beast` number, since 16 + 2 + 80 + 0 + 8 + 188 + 364 + 8 = 666.

It is a super-2 number, since 2×16280081883648² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16280081883643) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 160540398 + ... + 160641773.

Almost surely, 2^{16280081883648} is an apocalyptic number.

16280081883648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16280081883648 is an abundant number, since it is smaller than the sum of its proper divisors (34976738581488).

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

16280081883648 is a wasteful number, since it uses less digits than its factorization.

16280081883648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321182206 (or 321182187 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 63.

The spelling of 16280081883648 in words is "sixteen trillion, two hundred eighty billion, eighty-one million, eight hundred eighty-three thousand, six hundred forty-eight".