6694164000 has 576 divisors, whose sum is σ = 25242077952. Its totient is φ = 1741824000.

The previous prime is 6694163981. The next prime is 6694164011. The reversal of 6694164000 is 4614966.

6694164000 is a `hidden beast` number, since 6 + 6 + 9 + 4 + 1 + 640 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69011952 + ... + 69012048.

It is an arithmetic number, because the mean of its divisors is an integer number (43823052).

Almost surely, 2^6694164000 is an apocalyptic number.

6694164000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6694164000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12621038976).

6694164000 is an abundant number, since it is smaller than the sum of its proper divisors (18547913952).

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

6694164000 is an equidigital number, since it uses as much as digits as its factorization.

6694164000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6694164000 is about 81817.8709085002. The cubic root of 6694164000 is about 1884.6561064258.

Adding to 6694164000 its reverse (4614966), we get a palindrome (6698778966).

The spelling of 6694164000 in words is "six billion, six hundred ninety-four million, one hundred sixty-four thousand".