64416117 has 4 divisors (see below), whose sum is σ = 85888160. Its totient is φ = 42944076.

The previous prime is 64416113. The next prime is 64416119. The reversal of 64416117 is 71161446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 64416117 - 2² = 64416113 is a prime.

It is a super-2 number, since 2×64416117² = 8298872258715378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64416113) by changing a digit.

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, 10736017 + ... + 10736022.

It is an arithmetic number, because the mean of its divisors is an integer number (21472040).

Almost surely, 2^64416117 is an apocalyptic number.

It is an amenable number.

64416117 is a deficient number, since it is larger than the sum of its proper divisors (21472043).

64416117 is a wasteful number, since it uses less digits than its factorization.

64416117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21472042.

The product of its digits is 4032, while the sum is 30.

The square root of 64416117 is about 8025.9651756035. The cubic root of 64416117 is about 400.8650383398.

It can be divided in two parts, 644 and 16117, that added together give a palindrome (16761).

The spelling of 64416117 in words is "sixty-four million, four hundred sixteen thousand, one hundred seventeen".