1606512265 has 16 divisors (see below), whose sum is σ = 1961631360. Its totient is φ = 1262764800.

The previous prime is 1606512233. The next prime is 1606512283. The reversal of 1606512265 is 5622156061.

It is not a de Polignac number, because 1606512265 - 2⁵ = 1606512233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1606512265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128356 + ... + 140314.

It is an arithmetic number, because the mean of its divisors is an integer number (122601960).

Almost surely, 2^1606512265 is an apocalyptic number.

It is an amenable number.

1606512265 is a deficient number, since it is larger than the sum of its proper divisors (355119095).

1606512265 is a wasteful number, since it uses less digits than its factorization.

1606512265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12432.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1606512265 is about 40081.3206493998. The cubic root of 1606512265 is about 1171.1917787824.

The spelling of 1606512265 in words is "one billion, six hundred six million, five hundred twelve thousand, two hundred sixty-five".