4518126065 has 16 divisors (see below), whose sum is σ = 5451618816. Its totient is φ = 3594624000.

The previous prime is 4518126059. The next prime is 4518126097. The reversal of 4518126065 is 5606218154.

It is a happy number.

It is not a de Polignac number, because 4518126065 - 2¹⁶ = 4518060529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783850 + ... + 1786380.

It is an arithmetic number, because the mean of its divisors is an integer number (340726176).

Almost surely, 2^4518126065 is an apocalyptic number.

It is an amenable number.

4518126065 is a deficient number, since it is larger than the sum of its proper divisors (933492751).

4518126065 is a wasteful number, since it uses less digits than its factorization.

4518126065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 4518126065 is about 67217.0072600677. The cubic root of 4518126065 is about 1653.1773565631.

The spelling of 4518126065 in words is "four billion, five hundred eighteen million, one hundred twenty-six thousand, sixty-five".