6669698112 has 840 divisors, whose sum is σ = 26160780800. Its totient is φ = 1676505600.

The previous prime is 6669698047. The next prime is 6669698149. The reversal of 6669698112 is 2118969666.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

Its product of digits (1679616) is a multiple of the sum of its prime divisors (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 215151537 + ... + 215151567.

Almost surely, 2^6669698112 is an apocalyptic number.

6669698112 is a gapful number since it is divisible by the number (62) 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 6669698112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13080390400).

6669698112 is an abundant number, since it is smaller than the sum of its proper divisors (19491082688).

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

6669698112 is a wasteful number, since it uses less digits than its factorization.

6669698112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 54 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 6669698112 is about 81668.2197185662. The cubic root of 6669698112 is about 1882.3572844618.

The spelling of 6669698112 in words is "six billion, six hundred sixty-nine million, six hundred ninety-eight thousand, one hundred twelve".