564416671998 has 32 divisors (see below), whose sum is σ = 1169811136800. Its totient is φ = 181332064256.

The previous prime is 564416671993. The next prime is 564416672111. The reversal of 564416671998 is 899176614465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564416671991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2751411 + ... + 2949422.

It is an arithmetic number, because the mean of its divisors is an integer number (36556598025).

Almost surely, 2^564416671998 is an apocalyptic number.

564416671998 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

564416671998 is an abundant number, since it is smaller than the sum of its proper divisors (605394464802).

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

564416671998 is a wasteful number, since it uses less digits than its factorization.

564416671998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701436.

The product of its digits is 78382080, while the sum is 66.

The spelling of 564416671998 in words is "five hundred sixty-four billion, four hundred sixteen million, six hundred seventy-one thousand, nine hundred ninety-eight".