6612045555 has 16 divisors (see below), whose sum is σ = 10618607520. Its totient is φ = 3513312768.

The previous prime is 6612045509. The next prime is 6612045593. The reversal of 6612045555 is 5555402166.

It is a happy number.

It is not a de Polignac number, because 6612045555 - 2¹³ = 6612037363 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815302 + ... + 823371.

It is an arithmetic number, because the mean of its divisors is an integer number (663662970).

Almost surely, 2^6612045555 is an apocalyptic number.

6612045555 is a deficient number, since it is larger than the sum of its proper divisors (4006561965).

6612045555 is a wasteful number, since it uses less digits than its factorization.

6612045555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638950.

The product of its (nonzero) digits is 180000, while the sum is 39.

The square root of 6612045555 is about 81314.4855176493. The cubic root of 6612045555 is about 1876.9179123687.

The spelling of 6612045555 in words is "six billion, six hundred twelve million, forty-five thousand, five hundred fifty-five".