16782957651066 has 32 divisors (see below), whose sum is σ = 34204875317568. Its totient is φ = 5487860701440.

The previous prime is 16782957651007. The next prime is 16782957651113. The reversal of 16782957651066 is 66015675928761.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2420175 + ... + 6278786.

It is an arithmetic number, because the mean of its divisors is an integer number (1068902353674).

Almost surely, 2^{16782957651066} is an apocalyptic number.

16782957651066 is an abundant number, since it is smaller than the sum of its proper divisors (17421917666502).

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

16782957651066 is a wasteful number, since it uses less digits than its factorization.

16782957651066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8705086.

The product of its (nonzero) digits is 228614400, while the sum is 69.

The spelling of 16782957651066 in words is "sixteen trillion, seven hundred eighty-two billion, nine hundred fifty-seven million, six hundred fifty-one thousand, sixty-six".