64818103 has 16 divisors (see below), whose sum is σ = 77575680. Its totient is φ = 52982496.

The previous prime is 64818097. The next prime is 64818119. The reversal of 64818103 is 30181846.

It is a de Polignac number, because none of the positive numbers 2^k-64818103 is a prime.

It is a super-3 number, since 3×64818103³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64818203) 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 15 ways as a sum of consecutive naturals, for example, 14926 + ... + 18772.

It is an arithmetic number, because the mean of its divisors is an integer number (4848480).

Almost surely, 2^64818103 is an apocalyptic number.

64818103 is a deficient number, since it is larger than the sum of its proper divisors (12757577).

64818103 is a wasteful number, since it uses less digits than its factorization.

64818103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 64818103 is about 8050.9690721055. The cubic root of 64818103 is about 401.6971700997.

Adding to 64818103 its reverse (30181846), we get a palindrome (94999949).

The spelling of 64818103 in words is "sixty-four million, eight hundred eighteen thousand, one hundred three".