66204095 has 8 divisors (see below), whose sum is σ = 79637040. Its totient is φ = 52835200.

The previous prime is 66204079. The next prime is 66204109. The reversal of 66204095 is 59040266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66204095 - 2⁴ = 66204079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13706 + ... + 17895.

It is an arithmetic number, because the mean of its divisors is an integer number (9954630).

Almost surely, 2^66204095 is an apocalyptic number.

66204095 is a deficient number, since it is larger than the sum of its proper divisors (13432945).

66204095 is a wasteful number, since it uses less digits than its factorization.

66204095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32025.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 66204095 is about 8136.5898876618. The cubic root of 66204095 is about 404.5401374931.

The spelling of 66204095 in words is "sixty-six million, two hundred four thousand, ninety-five".