81468067414 has 8 divisors (see below), whose sum is σ = 122726574360. Its totient is φ = 40559209296.

The previous prime is 81468067357. The next prime is 81468067441. The reversal of 81468067414 is 41476086418.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 87411624 + ... + 87412555.

It is an arithmetic number, because the mean of its divisors is an integer number (15340821795).

Almost surely, 2^81468067414 is an apocalyptic number.

81468067414 is a deficient number, since it is larger than the sum of its proper divisors (41258506946).

81468067414 is a wasteful number, since it uses less digits than its factorization.

81468067414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174824414.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 81468067414 in words is "eighty-one billion, four hundred sixty-eight million, sixty-seven thousand, four hundred fourteen".