2066246464 has 28 divisors (see below), whose sum is σ = 4105517824. Its totient is φ = 1031785344.

The previous prime is 2066246461. The next prime is 2066246489. The reversal of 2066246464 is 4646426602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066246461) 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, 29857 + ... + 70879.

Almost surely, 2^2066246464 is an apocalyptic number.

It is an amenable number.

2066246464 is a deficient number, since it is larger than the sum of its proper divisors (2039271360).

2066246464 is an equidigital number, since it uses as much as digits as its factorization.

2066246464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41822 (or 41812 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 2066246464 is about 45455.9838085152. The cubic root of 2066246464 is about 1273.6811098946.

The spelling of 2066246464 in words is "two billion, sixty-six million, two hundred forty-six thousand, four hundred sixty-four".