16646412442056 has 32 divisors (see below), whose sum is σ = 41619970040640. Its totient is φ = 5548278955968.

The previous prime is 16646412442039. The next prime is 16646412442069. The reversal of 16646412442056 is 65024421464661.

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, 32565571 + ... + 33072786.

It is an arithmetic number, because the mean of its divisors is an integer number (1300624063770).

Almost surely, 2^{16646412442056} is an apocalyptic number.

It is an amenable number.

16646412442056 is an abundant number, since it is smaller than the sum of its proper divisors (24973557598584).

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

16646412442056 is a wasteful number, since it uses less digits than its factorization.

16646412442056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65648933 (or 65648929 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 16646412442056 in words is "sixteen trillion, six hundred forty-six billion, four hundred twelve million, four hundred forty-two thousand, fifty-six".