66568346 has 16 divisors (see below), whose sum is σ = 111003648. Its totient is φ = 29732400.

The previous prime is 66568339. The next prime is 66568349. The reversal of 66568346 is 64386566.

It is a junction number, because it is equal to n+sod(n) for n = 66568297 and 66568306.

It is not an unprimeable number, because it can be changed into a prime (66568349) 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, 40490 + ... + 42101.

It is an arithmetic number, because the mean of its divisors is an integer number (6937728).

Almost surely, 2^66568346 is an apocalyptic number.

66568346 is a deficient number, since it is larger than the sum of its proper divisors (44435302).

66568346 is a wasteful number, since it uses less digits than its factorization.

66568346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82637.

The product of its digits is 622080, while the sum is 44.

The square root of 66568346 is about 8158.9427011102. The cubic root of 66568346 is about 405.2806995789.

The spelling of 66568346 in words is "sixty-six million, five hundred sixty-eight thousand, three hundred forty-six".