64718241198 has 32 divisors (see below), whose sum is σ = 143160523296. Its totient is φ = 19375106688.

The previous prime is 64718241191. The next prime is 64718241221. The reversal of 64718241198 is 89114281746.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64718241198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64718241191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11209561 + ... + 11215332.

It is an arithmetic number, because the mean of its divisors is an integer number (4473766353).

Almost surely, 2^64718241198 is an apocalyptic number.

64718241198 is an abundant number, since it is smaller than the sum of its proper divisors (78442282098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64718241198 is a wasteful number, since it uses less digits than its factorization.

64718241198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22424948.

The product of its digits is 774144, while the sum is 51.

The spelling of 64718241198 in words is "sixty-four billion, seven hundred eighteen million, two hundred forty-one thousand, one hundred ninety-eight".