6246809856 has 576 divisors, whose sum is σ = 22416629760. Its totient is φ = 1678786560.

The previous prime is 6246809837. The next prime is 6246809879. The reversal of 6246809856 is 6589086426.

It is a happy number.

6246809856 is a `hidden beast` number, since 624 + 6 + 8 + 0 + 9 + 8 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93235935 + ... + 93236001.

It is an arithmetic number, because the mean of its divisors is an integer number (38917760).

Almost surely, 2^6246809856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6246809856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11208314880).

6246809856 is an abundant number, since it is smaller than the sum of its proper divisors (16169819904).

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

6246809856 is a wasteful number, since it uses less digits than its factorization.

6246809856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The square root of 6246809856 is about 79036.7626867396. The cubic root of 6246809856 is about 1841.7022935563.

The spelling of 6246809856 in words is "six billion, two hundred forty-six million, eight hundred nine thousand, eight hundred fifty-six".