66341895 has 16 divisors (see below), whose sum is σ = 108736992. Its totient is φ = 34519040.

The previous prime is 66341887. The next prime is 66341897. The reversal of 66341895 is 59814366.

66341895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66341895 - 2³ = 66341887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66341897) 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 15 ways as a sum of consecutive naturals, for example, 53322 + ... + 54551.

It is an arithmetic number, because the mean of its divisors is an integer number (6796062).

Almost surely, 2^66341895 is an apocalyptic number.

66341895 is a deficient number, since it is larger than the sum of its proper divisors (42395097).

66341895 is a wasteful number, since it uses less digits than its factorization.

66341895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107922.

The product of its digits is 155520, while the sum is 42.

The square root of 66341895 is about 8145.0534068231. The cubic root of 66341895 is about 404.8206186250.

The spelling of 66341895 in words is "sixty-six million, three hundred forty-one thousand, eight hundred ninety-five".