66910339 has 8 divisors (see below), whose sum is σ = 67416128. Its totient is φ = 66407040.

The previous prime is 66910313. The next prime is 66910357. The reversal of 66910339 is 93301966.

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 66910339 - 2⁷ = 66910211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66910298 and 66910307.

It is not an unprimeable number, because it can be changed into a prime (66913339) 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, 123409 + ... + 123949.

It is an arithmetic number, because the mean of its divisors is an integer number (8427016).

Almost surely, 2^66910339 is an apocalyptic number.

66910339 is a deficient number, since it is larger than the sum of its proper divisors (505789).

66910339 is a wasteful number, since it uses less digits than its factorization.

66910339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 66910339 is about 8179.8740210348. The cubic root of 66910339 is about 405.9735538114.

The spelling of 66910339 in words is "sixty-six million, nine hundred ten thousand, three hundred thirty-nine".