66196369 has 8 divisors (see below), whose sum is σ = 69275520. Its totient is φ = 63134016.

The previous prime is 66196321. The next prime is 66196411. The reversal of 66196369 is 96369166.

66196369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 66196369 - 2²⁵ = 32641937 is a prime.

It is a super-2 number, since 2×66196369² = 8763918537568322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66196769) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4249 + ... + 12265.

It is an arithmetic number, because the mean of its divisors is an integer number (8659440).

Almost surely, 2^66196369 is an apocalyptic number.

It is an amenable number.

66196369 is a deficient number, since it is larger than the sum of its proper divisors (3079151).

66196369 is a wasteful number, since it uses less digits than its factorization.

66196369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399.

The product of its digits is 314928, while the sum is 46.

The square root of 66196369 is about 8136.1151048888. The cubic root of 66196369 is about 404.5244003060.

The spelling of 66196369 in words is "sixty-six million, one hundred ninety-six thousand, three hundred sixty-nine".