16361040443265 has 48 divisors (see below), whose sum is σ = 32530927104000. Its totient is φ = 7451528524416.

The previous prime is 16361040443233. The next prime is 16361040443309. The reversal of 16361040443265 is 56234404016361.

16361040443265 is a `hidden beast` number, since 1 + 6 + 3 + 610 + 4 + 0 + 4 + 4 + 3 + 26 + 5 = 666.

It is not a de Polignac number, because 16361040443265 - 2⁵ = 16361040443233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16361040443265.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96457665 + ... + 96627134.

It is an arithmetic number, because the mean of its divisors is an integer number (677727648000).

Almost surely, 2^{16361040443265} is an apocalyptic number.

16361040443265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16361040443265 is a deficient number, since it is larger than the sum of its proper divisors (16169886660735).

16361040443265 is a wasteful number, since it uses less digits than its factorization.

16361040443265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193085086 (or 193085083 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 16361040443265 in words is "sixteen trillion, three hundred sixty-one billion, forty million, four hundred forty-three thousand, two hundred sixty-five".