16516265263 has 8 divisors (see below), whose sum is σ = 16613726976. Its totient is φ = 16418918400.

The previous prime is 16516265251. The next prime is 16516265273. The reversal of 16516265263 is 36256261561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16516265263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16516265273) by changing a digit.

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, 268783 + ... + 324463.

It is an arithmetic number, because the mean of its divisors is an integer number (2076715872).

Almost surely, 2^16516265263 is an apocalyptic number.

16516265263 is a deficient number, since it is larger than the sum of its proper divisors (97461713).

16516265263 is a wasteful number, since it uses less digits than its factorization.

16516265263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57425.

The product of its digits is 388800, while the sum is 43.

The spelling of 16516265263 in words is "sixteen billion, five hundred sixteen million, two hundred sixty-five thousand, two hundred sixty-three".