66348968 has 32 divisors (see below), whose sum is σ = 144514560. Its totient is φ = 27967680.

The previous prime is 66348941. The next prime is 66348983. The reversal of 66348968 is 86984366.

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, 6296 + ... + 13127.

It is an arithmetic number, because the mean of its divisors is an integer number (4516080).

Almost surely, 2^66348968 is an apocalyptic number.

It is an amenable number.

66348968 is an abundant number, since it is smaller than the sum of its proper divisors (78165592).

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

66348968 is a wasteful number, since it uses less digits than its factorization.

66348968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19497 (or 19493 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The square root of 66348968 is about 8145.4875851603. The cubic root of 66348968 is about 404.8350046802.

The spelling of 66348968 in words is "sixty-six million, three hundred forty-eight thousand, nine hundred sixty-eight".