65108642 has 8 divisors (see below), whose sum is σ = 97925916. Its totient is φ = 32466672.

The previous prime is 65108629. The next prime is 65108663. The reversal of 65108642 is 24680156.

It can be written as a sum of positive squares in 2 ways, for example, as 58813561 + 6295081 = 7669^2 + 2509^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 65108599 and 65108608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42893 + ... + 44384.

Almost surely, 2^65108642 is an apocalyptic number.

65108642 is a deficient number, since it is larger than the sum of its proper divisors (32817274).

65108642 is a wasteful number, since it uses less digits than its factorization.

65108642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87652.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 65108642 is about 8068.9926260965. The cubic root of 65108642 is about 402.2964612664.

Adding to 65108642 its reverse (24680156), we get a palindrome (89788798).

The spelling of 65108642 in words is "sixty-five million, one hundred eight thousand, six hundred forty-two".