6246405556 has 12 divisors (see below), whose sum is σ = 10942882468. Its totient is φ = 3119867712.

The previous prime is 6246405479. The next prime is 6246405559. The reversal of 6246405556 is 6555046426.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 335256100 + 5911149456 = 18310^2 + 76884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6246405559) 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, 829551 + ... + 837046.

Almost surely, 2^6246405556 is an apocalyptic number.

It is an amenable number.

6246405556 is a deficient number, since it is larger than the sum of its proper divisors (4696476912).

6246405556 is a wasteful number, since it uses less digits than its factorization.

6246405556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667538 (or 1667536 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The square root of 6246405556 is about 79034.2049748082. The cubic root of 6246405556 is about 1841.6625604062.

The spelling of 6246405556 in words is "six billion, two hundred forty-six million, four hundred five thousand, five hundred fifty-six".