6610385043 has 12 divisors (see below), whose sum is σ = 10110000888. Its totient is φ = 4147692480.

The previous prime is 6610385039. The next prime is 6610385059. The reversal of 6610385043 is 3405830166.

6610385043 is a `hidden beast` number, since 6 + 610 + 38 + 5 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 6610385043 - 2² = 6610385039 is a prime.

It is a super-2 number, since 2×6610385043² = 87394380833436223698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6610384989 and 6610385007.

It is not an unprimeable number, because it can be changed into a prime (6610385063) 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 11 ways as a sum of consecutive naturals, for example, 21602413 + ... + 21602718.

It is an arithmetic number, because the mean of its divisors is an integer number (842500074).

Almost surely, 2^6610385043 is an apocalyptic number.

6610385043 is a deficient number, since it is larger than the sum of its proper divisors (3499615845).

6610385043 is a wasteful number, since it uses less digits than its factorization.

6610385043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43205154 (or 43205151 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 6610385043 is about 81304.2744448285. The cubic root of 6610385043 is about 1876.7607796717.

The spelling of 6610385043 in words is "six billion, six hundred ten million, three hundred eighty-five thousand, forty-three".