8165288819688 has 128 divisors (see below), whose sum is σ = 27407962552320. Its totient is φ = 1957711599360.

The previous prime is 8165288819651. The next prime is 8165288819747. The reversal of 8165288819688 is 8869188825618.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169916220 + ... + 169964267.

It is an arithmetic number, because the mean of its divisors is an integer number (214124707440).

Almost surely, 2^{8165288819688} is an apocalyptic number.

8165288819688 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8165288819688 is an abundant number, since it is smaller than the sum of its proper divisors (19242673732632).

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

8165288819688 is a wasteful number, since it uses less digits than its factorization.

8165288819688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339880527 (or 339880523 counting only the distinct ones).

The product of its digits is 849346560, while the sum is 78.

The spelling of 8165288819688 in words is "eight trillion, one hundred sixty-five billion, two hundred eighty-eight million, eight hundred nineteen thousand, six hundred eighty-eight".