6616615089 has 32 divisors (see below), whose sum is σ = 10643040000. Its totient is φ = 3650529792.

The previous prime is 6616615073. The next prime is 6616615111. The reversal of 6616615089 is 9805166166.

It is not a de Polignac number, because 6616615089 - 2⁴ = 6616615073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6616615009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81024 + ... + 140705.

It is an arithmetic number, because the mean of its divisors is an integer number (332595000).

Almost surely, 2^6616615089 is an apocalyptic number.

It is an amenable number.

6616615089 is a deficient number, since it is larger than the sum of its proper divisors (4026424911).

6616615089 is a wasteful number, since it uses less digits than its factorization.

6616615089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221782 (or 221768 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 6616615089 is about 81342.5785735859. The cubic root of 6616615089 is about 1877.3501873307.

The spelling of 6616615089 in words is "six billion, six hundred sixteen million, six hundred fifteen thousand, eighty-nine".