66886341 has 8 divisors (see below), whose sum is σ = 90065184. Its totient is φ = 44149200.

The previous prime is 66886321. The next prime is 66886357. The reversal of 66886341 is 14368866.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-66886341 is a prime.

It is a super-2 number, since 2×66886341² = 8947565224736562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66886293 and 66886302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66886321) 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, 110071 + ... + 110676.

It is an arithmetic number, because the mean of its divisors is an integer number (11258148).

Almost surely, 2^66886341 is an apocalyptic number.

It is an amenable number.

66886341 is a deficient number, since it is larger than the sum of its proper divisors (23178843).

66886341 is a wasteful number, since it uses less digits than its factorization.

66886341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220851.

The product of its digits is 165888, while the sum is 42.

The square root of 66886341 is about 8178.4069964755. The cubic root of 66886341 is about 405.9250126418.

The spelling of 66886341 in words is "sixty-six million, eight hundred eighty-six thousand, three hundred forty-one".