16661130263375 has 32 divisors (see below), whose sum is σ = 22492974626304. Its totient is φ = 12248430508800.

The previous prime is 16661130263329. The next prime is 16661130263381. The reversal of 16661130263375 is 57336203116661.

It is not a de Polignac number, because 16661130263375 - 2¹⁰ = 16661130262351 is a prime.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 22626422 + ... + 23351171.

It is an arithmetic number, because the mean of its divisors is an integer number (702905457072).

Almost surely, 2^{16661130263375} is an apocalyptic number.

16661130263375 is a deficient number, since it is larger than the sum of its proper divisors (5831844362929).

16661130263375 is a wasteful number, since it uses less digits than its factorization.

16661130263375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45977844 (or 45977834 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 16661130263375 in words is "sixteen trillion, six hundred sixty-one billion, one hundred thirty million, two hundred sixty-three thousand, three hundred seventy-five".