64116218 has 8 divisors (see below), whose sum is σ = 96405120. Its totient is φ = 31981180.

The previous prime is 64116209. The next prime is 64116229. The reversal of 64116218 is 81261146.

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

It is a super-2 number, since 2×64116218² = 8221778821247048, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37418 + ... + 39093.

It is an arithmetic number, because the mean of its divisors is an integer number (12050640).

Almost surely, 2^64116218 is an apocalyptic number.

64116218 is a deficient number, since it is larger than the sum of its proper divisors (32288902).

64116218 is a wasteful number, since it uses less digits than its factorization.

64116218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76932.

The product of its digits is 2304, while the sum is 29.

The square root of 64116218 is about 8007.2603304751. The cubic root of 64116218 is about 400.2419744248.

The spelling of 64116218 in words is "sixty-four million, one hundred sixteen thousand, two hundred eighteen".