66083358 has 32 divisors (see below), whose sum is σ = 145596672. Its totient is φ = 19828800.

The previous prime is 66083333. The next prime is 66083359. The reversal of 66083358 is 85338066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66083359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1938 + ... + 11658.

It is an arithmetic number, because the mean of its divisors is an integer number (4549896).

Almost surely, 2^66083358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66083358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72798336).

66083358 is an abundant number, since it is smaller than the sum of its proper divisors (79513314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66083358 is a wasteful number, since it uses less digits than its factorization.

66083358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 66083358 is about 8129.1671160089. The cubic root of 66083358 is about 404.2940666900.

The spelling of 66083358 in words is "sixty-six million, eighty-three thousand, three hundred fifty-eight".