66315141 has 24 divisors (see below), whose sum is σ = 103409280. Its totient is φ = 40826016.

The previous prime is 66315133. The next prime is 66315143. The reversal of 66315141 is 14151366.

It is not a de Polignac number, because 66315141 - 2³ = 66315133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66315143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480 + ... + 11526.

It is an arithmetic number, because the mean of its divisors is an integer number (4308720).

Almost surely, 2^66315141 is an apocalyptic number.

It is an amenable number.

66315141 is a deficient number, since it is larger than the sum of its proper divisors (37094139).

66315141 is a wasteful number, since it uses less digits than its factorization.

66315141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105 (or 11102 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 66315141 is about 8143.4108947050. The cubic root of 66315141 is about 404.7661933529.

The spelling of 66315141 in words is "sixty-six million, three hundred fifteen thousand, one hundred forty-one".