66042411 has 8 divisors (see below), whose sum is σ = 88094160. Its totient is φ = 44009472.

The previous prime is 66042401. The next prime is 66042419. The reversal of 66042411 is 11424066.

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

It is not a de Polignac number, because 66042411 - 2¹¹ = 66040363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66042419) 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, 10731 + ... + 15723.

It is an arithmetic number, because the mean of its divisors is an integer number (11011770).

Almost surely, 2^66042411 is an apocalyptic number.

66042411 is a deficient number, since it is larger than the sum of its proper divisors (22051749).

66042411 is a wasteful number, since it uses less digits than its factorization.

66042411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 66042411 is about 8126.6482020572. The cubic root of 66042411 is about 404.2105456641.

Adding to 66042411 its reverse (11424066), we get a palindrome (77466477).

It can be divided in two parts, 660 and 42411, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 66042411 in words is "sixty-six million, forty-two thousand, four hundred eleven".