66350512 has 10 divisors (see below), whose sum is σ = 128554148. Its totient is φ = 33175248.

The previous prime is 66350491. The next prime is 66350539. The reversal of 66350512 is 21505366.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2073438 + ... + 2073469.

Almost surely, 2^66350512 is an apocalyptic number.

It is an amenable number.

66350512 is a deficient number, since it is larger than the sum of its proper divisors (62203636).

66350512 is a wasteful number, since it uses less digits than its factorization.

66350512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146915 (or 4146909 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 66350512 is about 8145.5823610102. The cubic root of 66350512 is about 404.8381449470.

Adding to 66350512 its reverse (21505366), we get a palindrome (87855878).

The spelling of 66350512 in words is "sixty-six million, three hundred fifty thousand, five hundred twelve".