80918934168385 has 8 divisors (see below), whose sum is σ = 97103119314816. Its totient is φ = 64734881792880.

The previous prime is 80918934168271. The next prime is 80918934168419. The reversal of 80918934168385 is 58386143981908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80918934168385 - 2⁷ = 80918934168257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31846951 + ... + 34293820.

It is an arithmetic number, because the mean of its divisors is an integer number (12137889914352).

Almost surely, 2^{80918934168385} is an apocalyptic number.

It is an amenable number.

80918934168385 is a deficient number, since it is larger than the sum of its proper divisors (16184185146431).

80918934168385 is a wasteful number, since it uses less digits than its factorization.

80918934168385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66385463.

The product of its (nonzero) digits is 358318080, while the sum is 73.

The spelling of 80918934168385 in words is "eighty trillion, nine hundred eighteen billion, nine hundred thirty-four million, one hundred sixty-eight thousand, three hundred eighty-five".