2066550515 has 16 divisors (see below), whose sum is σ = 2643140160. Its totient is φ = 1545676800.

The previous prime is 2066550509. The next prime is 2066550539. The reversal of 2066550515 is 5150556602.

It is not a de Polignac number, because 2066550515 - 2⁸ = 2066550259 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67670 + ... + 93339.

It is an arithmetic number, because the mean of its divisors is an integer number (165196260).

Almost surely, 2^2066550515 is an apocalyptic number.

2066550515 is a deficient number, since it is larger than the sum of its proper divisors (576589645).

2066550515 is a wasteful number, since it uses less digits than its factorization.

2066550515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161182.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 2066550515 is about 45459.3281406578. The cubic root of 2066550515 is about 1273.7435814709.

The spelling of 2066550515 in words is "two billion, sixty-six million, five hundred fifty thousand, five hundred fifteen".