566616061 has 8 divisors (see below), whose sum is σ = 619998048. Its totient is φ = 513546000.

The previous prime is 566616041. The next prime is 566616107. The reversal of 566616061 is 160616665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-566616061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 566616061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566616041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74170 + ... + 81451.

It is an arithmetic number, because the mean of its divisors is an integer number (77499756).

Almost surely, 2^566616061 is an apocalyptic number.

It is an amenable number.

566616061 is a deficient number, since it is larger than the sum of its proper divisors (53381987).

566616061 is a wasteful number, since it uses less digits than its factorization.

566616061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155963.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 566616061 is about 23803.6984731365. The cubic root of 566616061 is about 827.4903926377.

The spelling of 566616061 in words is "five hundred sixty-six million, six hundred sixteen thousand, sixty-one".