2066360666 has 8 divisors (see below), whose sum is σ = 3106236864. Its totient is φ = 1030948380.

The previous prime is 2066360651. The next prime is 2066360671. The reversal of 2066360666 is 6660636602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114820 + ... + 1116671.

It is an arithmetic number, because the mean of its divisors is an integer number (388279608).

Almost surely, 2^2066360666 is an apocalyptic number.

2066360666 is a deficient number, since it is larger than the sum of its proper divisors (1039876198).

2066360666 is a wasteful number, since it uses less digits than its factorization.

2066360666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231956.

The product of its (nonzero) digits is 279936, while the sum is 41.

The square root of 2066360666 is about 45457.2399734080. The cubic root of 2066360666 is about 1273.7045750286.

The spelling of 2066360666 in words is "two billion, sixty-six million, three hundred sixty thousand, six hundred sixty-six".