7690991616 has 288 divisors, whose sum is σ = 27699235200. Its totient is φ = 1997291520.

The previous prime is 7690991599. The next prime is 7690991629. The reversal of 7690991616 is 6161990967.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1416555 + ... + 1421973.

It is an arithmetic number, because the mean of its divisors is an integer number (96177900).

Almost surely, 2^7690991616 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 7690991616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13849617600).

7690991616 is an abundant number, since it is smaller than the sum of its proper divisors (20008243584).

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

7690991616 is a wasteful number, since it uses less digits than its factorization.

7690991616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465 (or 5442 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 7690991616 is about 87698.2988204446. The cubic root of 7690991616 is about 1973.9104488466.

The spelling of 7690991616 in words is "seven billion, six hundred ninety million, nine hundred ninety-one thousand, six hundred sixteen".