1016534606265 has 12 divisors (see below), whose sum is σ = 1761993317604. Its totient is φ = 542151789984.

The previous prime is 1016534606237. The next prime is 1016534606281. The reversal of 1016534606265 is 5626064356101.

1016534606265 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 5 + 34 + 606 + 2 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 222904848384 + 793629757881 = 472128^2 + 890859^2 .

It is not a de Polignac number, because 1016534606265 - 2⁵ = 1016534606233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 22589657917 = 1016534606265 / (1 + 0 + 1 + 6 + 5 + 3 + 4 + 6 + 0 + 6 + 2 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1016534606265.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11294828914 + ... + 11294829003.

It is an arithmetic number, because the mean of its divisors is an integer number (146832776467).

Almost surely, 2^{1016534606265} is an apocalyptic number.

1016534606265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1016534606265 is a deficient number, since it is larger than the sum of its proper divisors (745458711339).

1016534606265 is a wasteful number, since it uses less digits than its factorization.

1016534606265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22589657928 (or 22589657925 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 1016534606265 in words is "one trillion, sixteen billion, five hundred thirty-four million, six hundred six thousand, two hundred sixty-five".