2196577066 has 8 divisors (see below), whose sum is σ = 3307114980. Its totient is φ = 1094205408.

The previous prime is 2196577063. The next prime is 2196577087. The reversal of 2196577066 is 6607756912.

It can be written as a sum of positive squares in 2 ways, for example, as 2191644225 + 4932841 = 46815^2 + 2221^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2196577063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2040891 + ... + 2041966.

Almost surely, 2^2196577066 is an apocalyptic number.

2196577066 is a deficient number, since it is larger than the sum of its proper divisors (1110537914).

2196577066 is a wasteful number, since it uses less digits than its factorization.

2196577066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083128.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 2196577066 is about 46867.6547951783. The cubic root of 2196577066 is about 1299.9165757117.

The spelling of 2196577066 in words is "two billion, one hundred ninety-six million, five hundred seventy-seven thousand, sixty-six".