8163625506 has 32 divisors (see below), whose sum is σ = 16641288000. Its totient is φ = 2669076480.

The previous prime is 8163625489. The next prime is 8163625559. The reversal of 8163625506 is 6055263618.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133266 + ... + 184626.

It is an arithmetic number, because the mean of its divisors is an integer number (520040250).

Almost surely, 2^8163625506 is an apocalyptic number.

8163625506 is an abundant number, since it is smaller than the sum of its proper divisors (8477662494).

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

8163625506 is a wasteful number, since it uses less digits than its factorization.

8163625506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51874.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 8163625506 is about 90352.7836095823. The cubic root of 8163625506 is about 2013.5435380998.

The spelling of 8163625506 in words is "eight billion, one hundred sixty-three million, six hundred twenty-five thousand, five hundred six".