69326815816 has 16 divisors (see below), whose sum is σ = 130185039600. Its totient is φ = 34610805264.

The previous prime is 69326815793. The next prime is 69326815819. The reversal of 69326815816 is 61851862396.

It is not an unprimeable number, because it can be changed into a prime (69326815819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6569730 + ... + 6580273.

It is an arithmetic number, because the mean of its divisors is an integer number (8136564975).

Almost surely, 2^69326815816 is an apocalyptic number.

It is an amenable number.

69326815816 is a deficient number, since it is larger than the sum of its proper divisors (60858223784).

69326815816 is a wasteful number, since it uses less digits than its factorization.

69326815816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13150668 (or 13150664 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The spelling of 69326815816 in words is "sixty-nine billion, three hundred twenty-six million, eight hundred fifteen thousand, eight hundred sixteen".