64116212 has 6 divisors (see below), whose sum is σ = 112203378. Its totient is φ = 32058104.

The previous prime is 64116209. The next prime is 64116229. The reversal of 64116212 is 21261146.

It can be written as a sum of positive squares in only one way, i.e., 44009956 + 20106256 = 6634^2 + 4484^2 .

It is a super-2 number, since 2×64116212² = 8221777282457888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8014523 + ... + 8014530.

It is an arithmetic number, because the mean of its divisors is an integer number (18700563).

Almost surely, 2^64116212 is an apocalyptic number.

It is an amenable number.

64116212 is a deficient number, since it is larger than the sum of its proper divisors (48087166).

64116212 is a wasteful number, since it uses less digits than its factorization.

64116212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16029057 (or 16029055 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 64116212 is about 8007.2599558151. The cubic root of 64116212 is about 400.2419619399.

Adding to 64116212 its reverse (21261146), we get a palindrome (85377358).

The spelling of 64116212 in words is "sixty-four million, one hundred sixteen thousand, two hundred twelve".