66049318 has 8 divisors (see below), whose sum is σ = 104901912. Its totient is φ = 31082016.

The previous prime is 66049309. The next prime is 66049343. The reversal of 66049318 is 81394066.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971280 + ... + 971347.

It is an arithmetic number, because the mean of its divisors is an integer number (13112739).

Almost surely, 2^66049318 is an apocalyptic number.

66049318 is a deficient number, since it is larger than the sum of its proper divisors (38852594).

66049318 is a wasteful number, since it uses less digits than its factorization.

66049318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942646.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 66049318 is about 8127.0731508951. The cubic root of 66049318 is about 404.2246365333.

The spelling of 66049318 in words is "sixty-six million, forty-nine thousand, three hundred eighteen".