5645797066 has 64 divisors (see below), whose sum is σ = 11325726720. Its totient is φ = 2047654080.

The previous prime is 5645797039. The next prime is 5645797093. The reversal of 5645797066 is 6607975465.

It is an interprime number because it is at equal distance from previous prime (5645797039) and next prime (5645797093).

It is a junction number, because it is equal to n+sod(n) for n = 5645796998 and 5645797016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80865 + ... + 133531.

It is an arithmetic number, because the mean of its divisors is an integer number (176964480).

Almost surely, 2^5645797066 is an apocalyptic number.

5645797066 is an abundant number, since it is smaller than the sum of its proper divisors (5679929654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5645797066 is a wasteful number, since it uses less digits than its factorization.

5645797066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52739.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The square root of 5645797066 is about 75138.5191895608. The cubic root of 5645797066 is about 1780.6357475328.

The spelling of 5645797066 in words is "five billion, six hundred forty-five million, seven hundred ninety-seven thousand, sixty-six".