68464221366 has 16 divisors (see below), whose sum is σ = 136932619824. Its totient is φ = 22820710944.

The previous prime is 68464221347. The next prime is 68464221377. The reversal of 68464221366 is 66312246486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64096 + ... + 375548.

It is an arithmetic number, because the mean of its divisors is an integer number (8558288739).

Almost surely, 2^68464221366 is an apocalyptic number.

68464221366 is an abundant number, since it is smaller than the sum of its proper divisors (68468398458).

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

68464221366 is a wasteful number, since it uses less digits than its factorization.

68464221366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348095.

The product of its digits is 1990656, while the sum is 48.

The spelling of 68464221366 in words is "sixty-eight billion, four hundred sixty-four million, two hundred twenty-one thousand, three hundred sixty-six".