16244520267265 has 32 divisors (see below), whose sum is σ = 20892928757760. Its totient is φ = 12097925683200.

The previous prime is 16244520267251. The next prime is 16244520267281. The reversal of 16244520267265 is 56276202544261.

It is not a de Polignac number, because 16244520267265 - 2¹³ = 16244520259073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5449584 + ... + 7885873.

It is an arithmetic number, because the mean of its divisors is an integer number (652904023680).

Almost surely, 2^{16244520267265} is an apocalyptic number.

It is an amenable number.

16244520267265 is a deficient number, since it is larger than the sum of its proper divisors (4648408490495).

16244520267265 is a wasteful number, since it uses less digits than its factorization.

16244520267265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13335793.

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 16244520267265 in words is "sixteen trillion, two hundred forty-four billion, five hundred twenty million, two hundred sixty-seven thousand, two hundred sixty-five".