6771661204 has 96 divisors (see below), whose sum is σ = 16148643840. Its totient is φ = 2402956800.

The previous prime is 6771661201. The next prime is 6771661207. The reversal of 6771661204 is 4021661776.

It is an interprime number because it is at equal distance from previous prime (6771661201) and next prime (6771661207).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771661201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141457 + ... + 183175.

It is an arithmetic number, because the mean of its divisors is an integer number (168215040).

Almost surely, 2^6771661204 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 6771661204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8074321920).

6771661204 is an abundant number, since it is smaller than the sum of its proper divisors (9376982636).

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

6771661204 is a wasteful number, since it uses less digits than its factorization.

6771661204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41789 (or 41787 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 6771661204 is about 82290.1039250772. The cubic root of 6771661204 is about 1891.9010019164.

The spelling of 6771661204 in words is "six billion, seven hundred seventy-one million, six hundred sixty-one thousand, two hundred four".