66034541 has 12 divisors (see below), whose sum is σ = 70660128. Its totient is φ = 61673304.

The previous prime is 66034531. The next prime is 66034543. The reversal of 66034541 is 14543066.

It is a happy number.

It is not a de Polignac number, because 66034541 - 2¹⁸ = 65772397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66034543) 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 11 ways as a sum of consecutive naturals, for example, 21296 + ... + 24198.

It is an arithmetic number, because the mean of its divisors is an integer number (5888344).

Almost surely, 2^66034541 is an apocalyptic number.

It is an amenable number.

66034541 is a deficient number, since it is larger than the sum of its proper divisors (4625587).

66034541 is a wasteful number, since it uses less digits than its factorization.

66034541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 66034541 is about 8126.1639781634. The cubic root of 66034541 is about 404.1944889953.

The spelling of 66034541 in words is "sixty-six million, thirty-four thousand, five hundred forty-one".