65166146 has 4 divisors (see below), whose sum is σ = 97749222. Its totient is φ = 32583072.

The previous prime is 65166133. The next prime is 65166163. The reversal of 65166146 is 64166156.

65166146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64176121 + 990025 = 8011^2 + 995^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16291535 + ... + 16291538.

Almost surely, 2^65166146 is an apocalyptic number.

65166146 is a deficient number, since it is larger than the sum of its proper divisors (32583076).

65166146 is a wasteful number, since it uses less digits than its factorization.

65166146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32583075.

The product of its digits is 25920, while the sum is 35.

The square root of 65166146 is about 8072.5551097530. Note that the first 3 decimals coincide. The cubic root of 65166146 is about 402.4148625916.

The spelling of 65166146 in words is "sixty-five million, one hundred sixty-six thousand, one hundred forty-six".