8162385505 has 16 divisors (see below), whose sum is σ = 9833019840. Its totient is φ = 6504518592.

The previous prime is 8162385499. The next prime is 8162385523. The reversal of 8162385505 is 5055832618.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8162385505 is a prime.

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, 1702722 + ... + 1707508.

It is an arithmetic number, because the mean of its divisors is an integer number (614563740).

Almost surely, 2^8162385505 is an apocalyptic number.

It is an amenable number.

8162385505 is a deficient number, since it is larger than the sum of its proper divisors (1670634335).

8162385505 is a wasteful number, since it uses less digits than its factorization.

8162385505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6048.

The product of its (nonzero) digits is 288000, while the sum is 43.

The square root of 8162385505 is about 90345.9213523223. The cubic root of 8162385505 is about 2013.4415849327.

The spelling of 8162385505 in words is "eight billion, one hundred sixty-two million, three hundred eighty-five thousand, five hundred five".