6665233741 has 4 divisors (see below), whose sum is σ = 7057306332. Its totient is φ = 6273161152.

The previous prime is 6665233739. The next prime is 6665233777. The reversal of 6665233741 is 1473325666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1473325666 = 2 ⋅736662833.

It can be written as a sum of positive squares in 2 ways, for example, as 4864504516 + 1800729225 = 69746^2 + 42435^2 .

It is a cyclic number.

It is not a de Polignac number, because 6665233741 - 2¹ = 6665233739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665233541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196036270 + ... + 196036303.

It is an arithmetic number, because the mean of its divisors is an integer number (1764326583).

Almost surely, 2^6665233741 is an apocalyptic number.

It is an amenable number.

6665233741 is a deficient number, since it is larger than the sum of its proper divisors (392072591).

6665233741 is a wasteful number, since it uses less digits than its factorization.

6665233741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392072590.

The product of its digits is 544320, while the sum is 43.

The square root of 6665233741 is about 81640.8827794016. The cubic root of 6665233741 is about 1881.9372046320.

The spelling of 6665233741 in words is "six billion, six hundred sixty-five million, two hundred thirty-three thousand, seven hundred forty-one".