6990511104 has 66 divisors (see below), whose sum is σ = 20184975720. Its totient is φ = 2330167296.

The previous prime is 6990511093. The next prime is 6990511109. The reversal of 6990511104 is 4011150996.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990511109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370044 + ... + 388475.

Almost surely, 2^6990511104 is an apocalyptic number.

6990511104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6990511104 is an abundant number, since it is smaller than the sum of its proper divisors (13194464616).

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

6990511104 is a wasteful number, since it uses less digits than its factorization.

6990511104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758545 (or 758524 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 6990511104 is about 83609.2764231338. The cubic root of 6990511104 is about 1912.0664297689.

The spelling of 6990511104 in words is "six billion, nine hundred ninety million, five hundred eleven thousand, one hundred four".