564662616 has 64 divisors (see below), whose sum is σ = 1708231680. Its totient is φ = 151841280.

The previous prime is 564662611. The next prime is 564662617. The reversal of 564662616 is 616266465.

It is a happy number.

It is a super-3 number, since 3×564662616³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564662611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96000 + ... + 101711.

It is an arithmetic number, because the mean of its divisors is an integer number (26691120).

Almost surely, 2^564662616 is an apocalyptic number.

564662616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

564662616 is an abundant number, since it is smaller than the sum of its proper divisors (1143569064).

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

564662616 is a wasteful number, since it uses less digits than its factorization.

564662616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197744 (or 197740 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 564662616 is about 23762.6306624498. The cubic root of 564662616 is about 826.5383557645.

The spelling of 564662616 in words is "five hundred sixty-four million, six hundred sixty-two thousand, six hundred sixteen".