66356341 has 4 divisors (see below), whose sum is σ = 69848800. Its totient is φ = 62863884.

The previous prime is 66356333. The next prime is 66356359. The reversal of 66356341 is 14365366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14365366 = 2 ⋅7182683.

It is a cyclic number.

It is not a de Polignac number, because 66356341 - 2³ = 66356333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66356297 and 66356306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66356041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746201 + ... + 1746238.

It is an arithmetic number, because the mean of its divisors is an integer number (17462200).

Almost surely, 2^66356341 is an apocalyptic number.

It is an amenable number.

66356341 is a deficient number, since it is larger than the sum of its proper divisors (3492459).

66356341 is a wasteful number, since it uses less digits than its factorization.

66356341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492458.

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

The square root of 66356341 is about 8145.9401544573. The cubic root of 66356341 is about 404.8499998289.

The spelling of 66356341 in words is "sixty-six million, three hundred fifty-six thousand, three hundred forty-one".