9697681616 has 40 divisors (see below), whose sum is σ = 21542561664. Its totient is φ = 4142770560.

The previous prime is 9697681601. The next prime is 9697681627. The reversal of 9697681616 is 6161867969.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104375 + ... + 174038.

Almost surely, 2^9697681616 is an apocalyptic number.

It is an amenable number.

9697681616 is an abundant number, since it is smaller than the sum of its proper divisors (11844880048).

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

9697681616 is a wasteful number, since it uses less digits than its factorization.

9697681616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278739 (or 278733 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 59.

The square root of 9697681616 is about 98476.8075030867. The cubic root of 9697681616 is about 2132.5013130029.

The spelling of 9697681616 in words is "nine billion, six hundred ninety-seven million, six hundred eighty-one thousand, six hundred sixteen".