566501616 has 120 divisors (see below), whose sum is σ = 1633716864. Its totient is φ = 183173760.

The previous prime is 566501609. The next prime is 566501623. The reversal of 566501616 is 616105665.

It is an interprime number because it is at equal distance from previous prime (566501609) and next prime (566501623).

It is a super-2 number, since 2×566501616² = 641848161861222912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684595 + ... + 685421.

Almost surely, 2^566501616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566501616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816858432).

566501616 is an abundant number, since it is smaller than the sum of its proper divisors (1067215248).

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

566501616 is a wasteful number, since it uses less digits than its factorization.

566501616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 566501616 is about 23801.2944185815. The cubic root of 566501616 is about 827.4346767711.

The spelling of 566501616 in words is "five hundred sixty-six million, five hundred one thousand, six hundred sixteen".