66368796 has 24 divisors (see below), whose sum is σ = 166773264. Its totient is φ = 20421120.

The previous prime is 66368779. The next prime is 66368801. The reversal of 66368796 is 69786366.

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, 212565 + ... + 212876.

It is an arithmetic number, because the mean of its divisors is an integer number (6948886).

Almost surely, 2^66368796 is an apocalyptic number.

It is an amenable number.

66368796 is an abundant number, since it is smaller than the sum of its proper divisors (100404468).

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

66368796 is a wasteful number, since it uses less digits than its factorization.

66368796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425461 (or 425459 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The square root of 66368796 is about 8146.7046098407. The cubic root of 66368796 is about 404.8753281860.

The spelling of 66368796 in words is "sixty-six million, three hundred sixty-eight thousand, seven hundred ninety-six".