16510105152066 has 32 divisors (see below), whose sum is σ = 33166903910400. Its totient is φ = 5478921248976.

The previous prime is 16510105152061. The next prime is 16510105152089. The reversal of 16510105152066 is 66025150101561.

It is not an unprimeable number, because it can be changed into a prime (16510105152061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39024735 + ... + 39445533.

It is an arithmetic number, because the mean of its divisors is an integer number (1036465747200).

Almost surely, 2^{16510105152066} is an apocalyptic number.

16510105152066 is an abundant number, since it is smaller than the sum of its proper divisors (16656798758334).

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

16510105152066 is a wasteful number, since it uses less digits than its factorization.

16510105152066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449838.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 16510105152066 in words is "sixteen trillion, five hundred ten billion, one hundred five million, one hundred fifty-two thousand, sixty-six".