6610655998 has 16 divisors (see below), whose sum is σ = 10587747456. Its totient is φ = 3088091160.

The previous prime is 6610655993. The next prime is 6610655999. The reversal of 6610655998 is 8995560166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610655993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669068 + ... + 1673023.

It is an arithmetic number, because the mean of its divisors is an integer number (661734216).

Almost surely, 2^6610655998 is an apocalyptic number.

6610655998 is a deficient number, since it is larger than the sum of its proper divisors (3977091458).

6610655998 is a wasteful number, since it uses less digits than its factorization.

6610655998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342159.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The square root of 6610655998 is about 81305.9407300598. The cubic root of 6610655998 is about 1876.7864216863.

The spelling of 6610655998 in words is "six billion, six hundred ten million, six hundred fifty-five thousand, nine hundred ninety-eight".