6505504156 has 6 divisors (see below), whose sum is σ = 11384632280. Its totient is φ = 3252752076.

The previous prime is 6505504151. The next prime is 6505504157. The reversal of 6505504156 is 6514055056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505504151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813188016 + ... + 813188023.

Almost surely, 2^6505504156 is an apocalyptic number.

It is an amenable number.

6505504156 is a deficient number, since it is larger than the sum of its proper divisors (4879128124).

6505504156 is a wasteful number, since it uses less digits than its factorization.

6505504156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626376043 (or 1626376041 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 6505504156 is about 80656.7055860825. The cubic root of 6505504156 is about 1866.7822073182.

The spelling of 6505504156 in words is "six billion, five hundred five million, five hundred four thousand, one hundred fifty-six".