6991169203200 has 3168 divisors, whose sum is σ = 31190644559872. Its totient is φ = 1343029248000.

The previous prime is 6991169203159. The next prime is 6991169203237. The reversal of 6991169203200 is 23029611996.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6991169203200.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 114609331170 + ... + 114609331230.

Almost surely, 2^{6991169203200} is an apocalyptic number.

6991169203200 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 6991169203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15595322279936).

6991169203200 is an abundant number, since it is smaller than the sum of its proper divisors (24199475356672).

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

6991169203200 is a wasteful number, since it uses less digits than its factorization.

6991169203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 48.

The spelling of 6991169203200 in words is "six trillion, nine hundred ninety-one billion, one hundred sixty-nine million, two hundred three thousand, two hundred".