6616003045 has 8 divisors (see below), whose sum is σ = 7992487800. Its totient is φ = 5257279680.

The previous prime is 6616003027. The next prime is 6616003103. The reversal of 6616003045 is 5403006166.

It can be written as a sum of positive squares in 4 ways, for example, as 401361156 + 6214641889 = 20034^2 + 78833^2 .

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

It is not a de Polignac number, because 6616003045 - 2⁷ = 6616002917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6616002998 and 6616003016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4439526 + ... + 4441015.

It is an arithmetic number, because the mean of its divisors is an integer number (999060975).

Almost surely, 2^6616003045 is an apocalyptic number.

It is an amenable number.

6616003045 is a deficient number, since it is larger than the sum of its proper divisors (1376484755).

6616003045 is a wasteful number, since it uses less digits than its factorization.

6616003045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880695.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6616003045 is about 81338.8163486536. The cubic root of 6616003045 is about 1877.2922999098.

The spelling of 6616003045 in words is "six billion, six hundred sixteen million, three thousand, forty-five".