6698025168 has 80 divisors (see below), whose sum is σ = 17886283776. Its totient is φ = 2157644160.

The previous prime is 6698025163. The next prime is 6698025197. The reversal of 6698025168 is 8615208966.

It is a super-2 number, since 2×6698025168² = 89727082302322856448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6698025168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698025163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227855 + ... + 1233297.

Almost surely, 2^6698025168 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 6698025168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8943141888).

6698025168 is an abundant number, since it is smaller than the sum of its proper divisors (11188258608).

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

6698025168 is a wasteful number, since it uses less digits than its factorization.

6698025168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 6698025168 is about 81841.4636232759. The cubic root of 6698025168 is about 1885.0183909066.

The spelling of 6698025168 in words is "six billion, six hundred ninety-eight million, twenty-five thousand, one hundred sixty-eight".