66338696 has 8 divisors (see below), whose sum is σ = 124385070. Its totient is φ = 33169344.

The previous prime is 66338687. The next prime is 66338711. The reversal of 66338696 is 69683366.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 17757796 = 6970^2 + 4214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 66338696.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4146161 + ... + 4146176.

Almost surely, 2^66338696 is an apocalyptic number.

It is an amenable number.

66338696 is a deficient number, since it is larger than the sum of its proper divisors (58046374).

66338696 is a wasteful number, since it uses less digits than its factorization.

66338696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292343 (or 8292339 counting only the distinct ones).

The product of its digits is 839808, while the sum is 47.

The square root of 66338696 is about 8144.8570275972. The cubic root of 66338696 is about 404.8141117162.

The spelling of 66338696 in words is "sixty-six million, three hundred thirty-eight thousand, six hundred ninety-six".