6155666504 has 16 divisors (see below), whose sum is σ = 12429711420. Its totient is φ = 2841076800.

The previous prime is 6155666501. The next prime is 6155666513. The reversal of 6155666504 is 4056665516.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6151264900 + 4401604 = 78430^2 + 2098^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6155666501) 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 3 ways as a sum of consecutive naturals, for example, 29594447 + ... + 29594654.

Almost surely, 2^6155666504 is an apocalyptic number.

It is an amenable number.

6155666504 is an abundant number, since it is smaller than the sum of its proper divisors (6274044916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6155666504 is a wasteful number, since it uses less digits than its factorization.

6155666504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59189120 (or 59189116 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 6155666504 is about 78458.0556985706. The cubic root of 6155666504 is about 1832.7013270861.

The spelling of 6155666504 in words is "six billion, one hundred fifty-five million, six hundred sixty-six thousand, five hundred four".