65320198 has 8 divisors (see below), whose sum is σ = 99641160. Its totient is φ = 32106480.

The previous prime is 65320169. The next prime is 65320217. The reversal of 65320198 is 89102356.

65320198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 276663 + ... + 276898.

It is an arithmetic number, because the mean of its divisors is an integer number (12455145).

Almost surely, 2^65320198 is an apocalyptic number.

65320198 is a deficient number, since it is larger than the sum of its proper divisors (34320962).

65320198 is a wasteful number, since it uses less digits than its factorization.

65320198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553622.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 65320198 is about 8082.0911897850. The cubic root of 65320198 is about 402.7317143732.

The spelling of 65320198 in words is "sixty-five million, three hundred twenty thousand, one hundred ninety-eight".