617616000561 has 8 divisors (see below), whose sum is σ = 941129143744. Its totient is φ = 352923428880.

The previous prime is 617616000517. The next prime is 617616000563. The reversal of 617616000561 is 165000616716.

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

It is not a de Polignac number, because 617616000561 - 2⁶ = 617616000497 is a prime.

It is a super-3 number, since 3×617616000561³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617616000563) 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, 14705142850 + ... + 14705142891.

It is an arithmetic number, because the mean of its divisors is an integer number (117641142968).

Almost surely, 2^617616000561 is an apocalyptic number.

It is an amenable number.

617616000561 is a deficient number, since it is larger than the sum of its proper divisors (323513143183).

617616000561 is a wasteful number, since it uses less digits than its factorization.

617616000561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29410285751.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 617616000561 in words is "six hundred seventeen billion, six hundred sixteen million, five hundred sixty-one", and thus it is an aban number.