66846338 has 16 divisors (see below), whose sum is σ = 110495616. Its totient is φ = 30134160.

The previous prime is 66846337. The next prime is 66846343. The reversal of 66846338 is 83364866.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (66846331) 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, 28778 + ... + 31013.

It is an arithmetic number, because the mean of its divisors is an integer number (6905976).

Almost surely, 2^66846338 is an apocalyptic number.

66846338 is a deficient number, since it is larger than the sum of its proper divisors (43649278).

66846338 is a wasteful number, since it uses less digits than its factorization.

66846338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59849.

The product of its digits is 497664, while the sum is 44.

The square root of 66846338 is about 8175.9609832729. The cubic root of 66846338 is about 405.8440720674.

The spelling of 66846338 in words is "sixty-six million, eight hundred forty-six thousand, three hundred thirty-eight".