68620481466 has 16 divisors (see below), whose sum is σ = 137306874144. Its totient is φ = 22862508624.

The previous prime is 68620481441. The next prime is 68620481467. The reversal of 68620481466 is 66418402686.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68620481467) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2732761 + ... + 2757756.

It is an arithmetic number, because the mean of its divisors is an integer number (8581679634).

Almost surely, 2^68620481466 is an apocalyptic number.

68620481466 is an abundant number, since it is smaller than the sum of its proper divisors (68686392678).

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

68620481466 is a wasteful number, since it uses less digits than its factorization.

68620481466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492605.

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 68620481466 in words is "sixty-eight billion, six hundred twenty million, four hundred eighty-one thousand, four hundred sixty-six".