6989927616 has 336 divisors, whose sum is σ = 24684410880. Its totient is φ = 1931973120.

The previous prime is 6989927603. The next prime is 6989927617. The reversal of 6989927616 is 6167299896.

It is a happy number.

6989927616 is a `hidden beast` number, since 6 + 9 + 8 + 9 + 9 + 2 + 7 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

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

It is not an unprimeable number, because it can be changed into a prime (6989927617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2623501 + ... + 2626163.

Almost surely, 2^6989927616 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 6989927616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12342205440).

6989927616 is an abundant number, since it is smaller than the sum of its proper divisors (17694483264).

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

6989927616 is a wasteful number, since it uses less digits than its factorization.

6989927616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729 (or 2706 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The square root of 6989927616 is about 83605.7869767398. The cubic root of 6989927616 is about 1912.0132291353.

The spelling of 6989927616 in words is "six billion, nine hundred eighty-nine million, nine hundred twenty-seven thousand, six hundred sixteen".