64198288 has 80 divisors (see below), whose sum is σ = 156847104. Its totient is φ = 24727680.

The previous prime is 64198279. The next prime is 64198297. The reversal of 64198288 is 88289146.

64198288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64198279) and next prime (64198297).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131581 + ... + 132067.

Almost surely, 2^64198288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64198288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78423552).

64198288 is an abundant number, since it is smaller than the sum of its proper divisors (92648816).

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

64198288 is a wasteful number, since it uses less digits than its factorization.

64198288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 614 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The square root of 64198288 is about 8012.3834156885. The cubic root of 64198288 is about 400.4126741038.

The spelling of 64198288 in words is "sixty-four million, one hundred ninety-eight thousand, two hundred eighty-eight".