66955741 has 8 divisors (see below), whose sum is σ = 70986240. Its totient is φ = 62935488.

The previous prime is 66955729. The next prime is 66955771. The reversal of 66955741 is 14755966.

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

It is a cyclic number.

It is not a de Polignac number, because 66955741 - 2⁵ = 66955709 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 (66955711) 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 7 ways as a sum of consecutive naturals, for example, 14020 + ... + 18178.

It is an arithmetic number, because the mean of its divisors is an integer number (8873280).

Almost surely, 2^66955741 is an apocalyptic number.

It is an amenable number.

66955741 is a deficient number, since it is larger than the sum of its proper divisors (4030499).

66955741 is a wasteful number, since it uses less digits than its factorization.

66955741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123.

The product of its digits is 226800, while the sum is 43.

The square root of 66955741 is about 8182.6487765271. The cubic root of 66955741 is about 406.0653574804.

The spelling of 66955741 in words is "sixty-six million, nine hundred fifty-five thousand, seven hundred forty-one".