65346566 has 4 divisors (see below), whose sum is σ = 98019852. Its totient is φ = 32673282.

The previous prime is 65346557. The next prime is 65346569. The reversal of 65346566 is 66564356.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65346569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16336640 + ... + 16336643.

It is an arithmetic number, because the mean of its divisors is an integer number (24504963).

Almost surely, 2^65346566 is an apocalyptic number.

65346566 is a deficient number, since it is larger than the sum of its proper divisors (32673286).

65346566 is a wasteful number, since it uses less digits than its factorization.

65346566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32673285.

The product of its digits is 388800, while the sum is 41.

The square root of 65346566 is about 8083.7222861749. The cubic root of 65346566 is about 402.7858977222.

The spelling of 65346566 in words is "sixty-five million, three hundred forty-six thousand, five hundred sixty-six".