666357141 has 16 divisors (see below), whose sum is σ = 897156864. Its totient is φ = 439917504.

The previous prime is 666357119. The next prime is 666357233. The reversal of 666357141 is 141753666.

It is not a de Polignac number, because 666357141 - 2⁶ = 666357077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 666357141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666357841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147076 + ... + 151538.

It is an arithmetic number, because the mean of its divisors is an integer number (56072304).

Almost surely, 2^666357141 is an apocalyptic number.

It is an amenable number.

666357141 is a deficient number, since it is larger than the sum of its proper divisors (230799723).

666357141 is a wasteful number, since it uses less digits than its factorization.

666357141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940.

The product of its digits is 90720, while the sum is 39.

The square root of 666357141 is about 25813.8943400642. The cubic root of 666357141 is about 873.4452460194.

The spelling of 666357141 in words is "six hundred sixty-six million, three hundred fifty-seven thousand, one hundred forty-one".