66161346 has 8 divisors (see below), whose sum is σ = 132322704. Its totient is φ = 22053780.

The previous prime is 66161339. The next prime is 66161351. The reversal of 66161346 is 64316166.

66161346 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.

66161346 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 in 3 ways as a sum of consecutive naturals, for example, 5513440 + ... + 5513451.

It is an arithmetic number, because the mean of its divisors is an integer number (16540338).

Almost surely, 2^66161346 is an apocalyptic number.

66161346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66161346 is a wasteful number, since it uses less digits than its factorization.

66161346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026896.

The product of its digits is 15552, while the sum is 33.

The square root of 66161346 is about 8133.9625029871. The cubic root of 66161346 is about 404.4530461536.

The spelling of 66161346 in words is "sixty-six million, one hundred sixty-one thousand, three hundred forty-six".