68565621146 has 32 divisors (see below), whose sum is σ = 113885438400. Its totient is φ = 30956843280.

The previous prime is 68565621139. The next prime is 68565621181. The reversal of 68565621146 is 64112656586.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68565621094 and 68565621103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310205 + ... + 483071.

It is an arithmetic number, because the mean of its divisors is an integer number (3558919950).

Almost surely, 2^68565621146 is an apocalyptic number.

68565621146 is a deficient number, since it is larger than the sum of its proper divisors (45319817254).

68565621146 is a wasteful number, since it uses less digits than its factorization.

68565621146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173051 (or 173029 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The spelling of 68565621146 in words is "sixty-eight billion, five hundred sixty-five million, six hundred twenty-one thousand, one hundred forty-six".