2066618074 has 4 divisors (see below), whose sum is σ = 3099927114. Its totient is φ = 1033309036.

The previous prime is 2066618053. The next prime is 2066618083. The reversal of 2066618074 is 4708166602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1290605625 + 776012449 = 35925^2 + 27857^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516654517 + ... + 516654520.

Almost surely, 2^2066618074 is an apocalyptic number.

2066618074 is a deficient number, since it is larger than the sum of its proper divisors (1033309040).

2066618074 is a wasteful number, since it uses less digits than its factorization.

2066618074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033309039.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2066618074 is about 45460.0712053996. The cubic root of 2066618074 is about 1273.7574615905.

The spelling of 2066618074 in words is "two billion, sixty-six million, six hundred eighteen thousand, seventy-four".