5615665522 has 8 divisors (see below), whose sum is σ = 8918998236. Its totient is φ = 2642666112.

The previous prime is 5615665519. The next prime is 5615665529. The reversal of 5615665522 is 2255665165.

It can be written as a sum of positive squares in 2 ways, for example, as 5192499481 + 423166041 = 72059^2 + 20571^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5615665529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82583283 + ... + 82583350.

Almost surely, 2^5615665522 is an apocalyptic number.

5615665522 is a deficient number, since it is larger than the sum of its proper divisors (3303332714).

5615665522 is a wasteful number, since it uses less digits than its factorization.

5615665522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165166652.

The product of its digits is 540000, while the sum is 43.

The square root of 5615665522 is about 74937.7443081923. The cubic root of 5615665522 is about 1777.4623522470.

The spelling of 5615665522 in words is "five billion, six hundred fifteen million, six hundred sixty-five thousand, five hundred twenty-two".