66341143 has 16 divisors (see below), whose sum is σ = 73694592. Its totient is φ = 59220000.

The previous prime is 66341137. The next prime is 66341161. The reversal of 66341143 is 34114366.

It is a cyclic number.

It is not a de Polignac number, because 66341143 - 2¹³ = 66332951 is a prime.

It is a super-2 number, since 2×66341143² = 8802294509092898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66341543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234280 + ... + 234562.

It is an arithmetic number, because the mean of its divisors is an integer number (4605912).

Almost surely, 2^66341143 is an apocalyptic number.

66341143 is a deficient number, since it is larger than the sum of its proper divisors (7353449).

66341143 is a wasteful number, since it uses less digits than its factorization.

66341143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its digits is 5184, while the sum is 28.

The square root of 66341143 is about 8145.0072437046. The cubic root of 66341143 is about 404.8190890422.

It can be divided in two parts, 6634 and 1143, that added together give a palindrome (7777).

The spelling of 66341143 in words is "sixty-six million, three hundred forty-one thousand, one hundred forty-three".