66353146 has 8 divisors (see below), whose sum is σ = 100035540. Its totient is φ = 33007968.

The previous prime is 66353117. The next prime is 66353153. The reversal of 66353146 is 64135366.

It can be written as a sum of positive squares in 2 ways, for example, as 63377521 + 2975625 = 7961^2 + 1725^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83811 + ... + 84598.

Almost surely, 2^66353146 is an apocalyptic number.

66353146 is a deficient number, since it is larger than the sum of its proper divisors (33682394).

66353146 is a wasteful number, since it uses less digits than its factorization.

66353146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168608.

The product of its digits is 38880, while the sum is 34.

The square root of 66353146 is about 8145.7440421364. The cubic root of 66353146 is about 404.8435019997.

The spelling of 66353146 in words is "sixty-six million, three hundred fifty-three thousand, one hundred forty-six".