9896661526 has 8 divisors (see below), whose sum is σ = 15323863104. Its totient is φ = 4788707160.

The previous prime is 9896661493. The next prime is 9896661553. The reversal of 9896661526 is 6251666989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79811725 + ... + 79811848.

It is an arithmetic number, because the mean of its divisors is an integer number (1915482888).

Almost surely, 2^9896661526 is an apocalyptic number.

9896661526 is a deficient number, since it is larger than the sum of its proper divisors (5427201578).

9896661526 is a wasteful number, since it uses less digits than its factorization.

9896661526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159623606.

The product of its digits is 8398080, while the sum is 58.

The square root of 9896661526 is about 99481.9658330092. The cubic root of 9896661526 is about 2146.9877792989.

The spelling of 9896661526 in words is "nine billion, eight hundred ninety-six million, six hundred sixty-one thousand, five hundred twenty-six".