65338199 has 8 divisors (see below), whose sum is σ = 67858560. Its totient is φ = 62863416.

The previous prime is 65338187. The next prime is 65338211. The reversal of 65338199 is 99183356.

It is an interprime number because it is at equal distance from previous prime (65338187) and next prime (65338211).

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

It is a cyclic number.

It is not a de Polignac number, because 65338199 - 2¹⁶ = 65272663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65338109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8459 + ... + 14220.

It is an arithmetic number, because the mean of its divisors is an integer number (8482320).

Almost surely, 2^65338199 is an apocalyptic number.

65338199 is a deficient number, since it is larger than the sum of its proper divisors (2520361).

65338199 is a wasteful number, since it uses less digits than its factorization.

65338199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22789.

The product of its digits is 174960, while the sum is 44.

The square root of 65338199 is about 8083.2047481182. The cubic root of 65338199 is about 402.7687060336.

The spelling of 65338199 in words is "sixty-five million, three hundred thirty-eight thousand, one hundred ninety-nine".