6709607551836 has 180 divisors, whose sum is σ = 19795956580400. Its totient is φ = 1916061485184.

The previous prime is 6709607551819. The next prime is 6709607551837. The reversal of 6709607551836 is 6381557069076.

6709607551836 is a `hidden beast` number, since 6 + 7 + 0 + 9 + 607 + 5 + 5 + 18 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6709607551837) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 180546225 + ... + 180583383.

Almost surely, 2^{6709607551836} 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 6709607551836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9897978290200).

6709607551836 is an abundant number, since it is smaller than the sum of its proper divisors (13086349028564).

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

6709607551836 is a wasteful number, since it uses less digits than its factorization.

6709607551836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39286 (or 39260 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 6709607551836 in words is "six trillion, seven hundred nine billion, six hundred seven million, five hundred fifty-one thousand, eight hundred thirty-six".