8117221606 has 8 divisors (see below), whose sum is σ = 13112434944. Its totient is φ = 3746409960.

The previous prime is 8117221583. The next prime is 8117221649. The reversal of 8117221606 is 6061227118.

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, 156100390 + ... + 156100441.

It is an arithmetic number, because the mean of its divisors is an integer number (1639054368).

Almost surely, 2^8117221606 is an apocalyptic number.

8117221606 is a deficient number, since it is larger than the sum of its proper divisors (4995213338).

8117221606 is a wasteful number, since it uses less digits than its factorization.

8117221606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312200846.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 8117221606 is about 90095.6247883325. The cubic root of 8117221606 is about 2009.7211403276.

The spelling of 8117221606 in words is "eight billion, one hundred seventeen million, two hundred twenty-one thousand, six hundred six".