8661542326 has 8 divisors (see below), whose sum is σ = 12993235920. Its totient is φ = 4330463688.

The previous prime is 8661542297. The next prime is 8661542363. The reversal of 8661542326 is 6232451668.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116746 + ... + 175933.

It is an arithmetic number, because the mean of its divisors is an integer number (1624154490).

Almost surely, 2^8661542326 is an apocalyptic number.

8661542326 is a deficient number, since it is larger than the sum of its proper divisors (4331693594).

8661542326 is a wasteful number, since it uses less digits than its factorization.

8661542326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307478.

The product of its digits is 414720, while the sum is 43.

The square root of 8661542326 is about 93067.4074313881. The cubic root of 8661542326 is about 2053.6751307442.

The spelling of 8661542326 in words is "eight billion, six hundred sixty-one million, five hundred forty-two thousand, three hundred twenty-six".