66041471 has 8 divisors (see below), whose sum is σ = 67082400. Its totient is φ = 65007360.

The previous prime is 66041461. The next prime is 66041489. The reversal of 66041471 is 17414066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66041471 is a prime.

It is a super-3 number, since 3×66041471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66041401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19910 + ... + 22988.

It is an arithmetic number, because the mean of its divisors is an integer number (8385300).

Almost surely, 2^66041471 is an apocalyptic number.

66041471 is a deficient number, since it is larger than the sum of its proper divisors (1040929).

66041471 is a wasteful number, since it uses less digits than its factorization.

66041471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 66041471 is about 8126.5903674296. The cubic root of 66041471 is about 404.2086279080.

The spelling of 66041471 in words is "sixty-six million, forty-one thousand, four hundred seventy-one".