1016135565 has 16 divisors (see below), whose sum is σ = 1634904000. Its totient is φ = 538909952.

The previous prime is 1016135521. The next prime is 1016135567. The reversal of 1016135565 is 5655316101.

It is a cyclic number.

It is not a de Polignac number, because 1016135565 - 2⁶ = 1016135501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016135567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186540 + ... + 191909.

It is an arithmetic number, because the mean of its divisors is an integer number (102181500).

Almost surely, 2^1016135565 is an apocalyptic number.

1016135565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1016135565 is a deficient number, since it is larger than the sum of its proper divisors (618768435).

1016135565 is a wasteful number, since it uses less digits than its factorization.

1016135565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378636.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 1016135565 is about 31876.8813562431. The cubic root of 1016135565 is about 1005.3498497353.

The spelling of 1016135565 in words is "one billion, sixteen million, one hundred thirty-five thousand, five hundred sixty-five".