5642664416 has 24 divisors (see below), whose sum is σ = 11124708840. Its totient is φ = 2817341568.

The previous prime is 5642664413. The next prime is 5642664427. The reversal of 5642664416 is 6144662465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642664413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101666 + ... + 147041.

It is an arithmetic number, because the mean of its divisors is an integer number (463529535).

Almost surely, 2^5642664416 is an apocalyptic number.

It is an amenable number.

5642664416 is a deficient number, since it is larger than the sum of its proper divisors (5482044424).

5642664416 is a wasteful number, since it uses less digits than its factorization.

5642664416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249426 (or 249418 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 5642664416 is about 75117.6704644120. The cubic root of 5642664416 is about 1780.3063496625.

The spelling of 5642664416 in words is "five billion, six hundred forty-two million, six hundred sixty-four thousand, four hundred sixteen".