16716520265 has 16 divisors (see below), whose sum is σ = 20629585920. Its totient is φ = 12994344000.

The previous prime is 16716520243. The next prime is 16716520273. The reversal of 16716520265 is 56202561761.

It is not a de Polignac number, because 16716520265 - 2¹⁰ = 16716519241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78776 + ... + 199094.

It is an arithmetic number, because the mean of its divisors is an integer number (1289349120).

Almost surely, 2^16716520265 is an apocalyptic number.

It is an amenable number.

16716520265 is a deficient number, since it is larger than the sum of its proper divisors (3913065655).

16716520265 is a wasteful number, since it uses less digits than its factorization.

16716520265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121112.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 16716520265 in words is "sixteen billion, seven hundred sixteen million, five hundred twenty thousand, two hundred sixty-five".