2066995515 has 16 divisors (see below), whose sum is σ = 3561592608. Its totient is φ = 1017597696.

The previous prime is 2066995499. The next prime is 2066995529. The reversal of 2066995515 is 5155996602.

It is not a de Polignac number, because 2066995515 - 2⁴ = 2066995499 is a prime.

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, 5299794 + ... + 5300183.

It is an arithmetic number, because the mean of its divisors is an integer number (222599538).

Almost surely, 2^2066995515 is an apocalyptic number.

2066995515 is a deficient number, since it is larger than the sum of its proper divisors (1494597093).

2066995515 is a wasteful number, since it uses less digits than its factorization.

2066995515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10599998.

The product of its (nonzero) digits is 729000, while the sum is 48.

The square root of 2066995515 is about 45464.2223622048. Note that the first 3 decimals coincide. The cubic root of 2066995515 is about 1273.8350019660.

The spelling of 2066995515 in words is "two billion, sixty-six million, nine hundred ninety-five thousand, five hundred fifteen".