65660342 has 8 divisors (see below), whose sum is σ = 107444232. Its totient is φ = 29845600.

The previous prime is 65660327. The next prime is 65660359. The reversal of 65660342 is 24306656.

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

It is a super-2 number, since 2×65660342² = 8622561023113928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65660299 and 65660308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492259 + ... + 1492302.

It is an arithmetic number, because the mean of its divisors is an integer number (13430529).

Almost surely, 2^65660342 is an apocalyptic number.

65660342 is a deficient number, since it is larger than the sum of its proper divisors (41783890).

65660342 is a wasteful number, since it uses less digits than its factorization.

65660342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984574.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 65660342 is about 8103.1069349972. The cubic root of 65660342 is about 403.4295571404.

Adding to 65660342 its reverse (24306656), we get a palindrome (89966998).

The spelling of 65660342 in words is "sixty-five million, six hundred sixty thousand, three hundred forty-two".