64818196040558 has 16 divisors (see below), whose sum is σ = 101831722261920. Its totient is φ = 30884765135136.

The previous prime is 64818196040531. The next prime is 64818196040569. The reversal of 64818196040558 is 85504069181846.

It is a super-3 number, since 3×64818196040558³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64818196040494 and 64818196040503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2619116285 + ... + 2619141032.

It is an arithmetic number, because the mean of its divisors is an integer number (6364482641370).

Almost surely, 2^{64818196040558} is an apocalyptic number.

64818196040558 is a deficient number, since it is larger than the sum of its proper divisors (37013526221362).

64818196040558 is a wasteful number, since it uses less digits than its factorization.

64818196040558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238257611.

The product of its (nonzero) digits is 66355200, while the sum is 65.

The spelling of 64818196040558 in words is "sixty-four trillion, eight hundred eighteen billion, one hundred ninety-six million, forty thousand, five hundred fifty-eight".