66660341 has 8 divisors (see below), whose sum is σ = 76548000. Its totient is φ = 57410640.

The previous prime is 66660331. The next prime is 66660343. The reversal of 66660341 is 14306666.

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 66660341 - 2²² = 62466037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66660298 and 66660307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66660343) 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, 159266 + ... + 159683.

It is an arithmetic number, because the mean of its divisors is an integer number (9568500).

Almost surely, 2^66660341 is an apocalyptic number.

It is an amenable number.

66660341 is a deficient number, since it is larger than the sum of its proper divisors (9887659).

66660341 is a wasteful number, since it uses less digits than its factorization.

66660341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318979.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 66660341 is about 8164.5784336976. The cubic root of 66660341 is about 405.4673079718.

The spelling of 66660341 in words is "sixty-six million, six hundred sixty thousand, three hundred forty-one".