2066556115 has 16 divisors (see below), whose sum is σ = 2673111168. Its totient is φ = 1524652416.

The previous prime is 2066556101. The next prime is 2066556119. The reversal of 2066556115 is 5116556602.

It is a cyclic number.

It is not a de Polignac number, because 2066556115 - 2⁵ = 2066556083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2066556119) by changing a digit.

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, 58374 + ... + 86836.

It is an arithmetic number, because the mean of its divisors is an integer number (167069448).

Almost surely, 2^2066556115 is an apocalyptic number.

2066556115 is a deficient number, since it is larger than the sum of its proper divisors (606555053).

2066556115 is a wasteful number, since it uses less digits than its factorization.

2066556115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29598.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 2066556115 is about 45459.3897341352. The cubic root of 2066556115 is about 1273.7447320126.

The spelling of 2066556115 in words is "two billion, sixty-six million, five hundred fifty-six thousand, one hundred fifteen".