564238661368 has 32 divisors (see below), whose sum is σ = 1075023012960. Its totient is φ = 277600752000.

The previous prime is 564238661359. The next prime is 564238661377. The reversal of 564238661368 is 863166832465.

It is an interprime number because it is at equal distance from previous prime (564238661359) and next prime (564238661377).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051383 + ... + 2310118.

It is an arithmetic number, because the mean of its divisors is an integer number (33594469155).

Almost surely, 2^564238661368 is an apocalyptic number.

It is an amenable number.

564238661368 is a deficient number, since it is larger than the sum of its proper divisors (510784351592).

564238661368 is a wasteful number, since it uses less digits than its factorization.

564238661368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361767 (or 4361763 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 58.

The spelling of 564238661368 in words is "five hundred sixty-four billion, two hundred thirty-eight million, six hundred sixty-one thousand, three hundred sixty-eight".