16275539776 has 14 divisors (see below), whose sum is σ = 32296774370. Its totient is φ = 8137769856.

The previous prime is 16275539773. The next prime is 16275539801. The reversal of 16275539776 is 67793557261.

It can be written as a sum of positive squares in only one way, i.e., 14923065600 + 1352474176 = 122160^2 + 36776^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16275539776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16275539771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127152591 + ... + 127152718.

It is an arithmetic number, because the mean of its divisors is an integer number (2306912455).

Almost surely, 2^16275539776 is an apocalyptic number.

16275539776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16275539776 is a deficient number, since it is larger than the sum of its proper divisors (16021234594).

16275539776 is an equidigital number, since it uses as much as digits as its factorization.

16275539776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254305321 (or 254305311 counting only the distinct ones).

The product of its digits is 16669800, while the sum is 58.

The spelling of 16275539776 in words is "sixteen billion, two hundred seventy-five million, five hundred thirty-nine thousand, seven hundred seventy-six".