66231741 has 4 divisors (see below), whose sum is σ = 88308992. Its totient is φ = 44154492.

The previous prime is 66231731. The next prime is 66231757. The reversal of 66231741 is 14713266.

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.

It is not a de Polignac number, because 66231741 - 2⁹ = 66231229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66231699 and 66231708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66231721) 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, 11038621 + ... + 11038626.

It is an arithmetic number, because the mean of its divisors is an integer number (22077248).

Almost surely, 2^66231741 is an apocalyptic number.

It is an amenable number.

66231741 is a deficient number, since it is larger than the sum of its proper divisors (22077251).

66231741 is a wasteful number, since it uses less digits than its factorization.

66231741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22077250.

The product of its digits is 6048, while the sum is 30.

The square root of 66231741 is about 8138.2885793022. The cubic root of 66231741 is about 404.5964399532.

The spelling of 66231741 in words is "sixty-six million, two hundred thirty-one thousand, seven hundred forty-one".