65106642 has 16 divisors (see below), whose sum is σ = 132348672. Its totient is φ = 21346320.

The previous prime is 65106641. The next prime is 65106649. The reversal of 65106642 is 24660156.

It is not an unprimeable number, because it can be changed into a prime (65106641) 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, 88578 + ... + 89309.

It is an arithmetic number, because the mean of its divisors is an integer number (8271792).

Almost surely, 2^65106642 is an apocalyptic number.

65106642 is an abundant number, since it is smaller than the sum of its proper divisors (67242030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65106642 is a wasteful number, since it uses less digits than its factorization.

65106642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177953.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 65106642 is about 8068.8686939372. The cubic root of 65106642 is about 402.2923419916.

Adding to 65106642 its reverse (24660156), we get a palindrome (89766798).

The spelling of 65106642 in words is "sixty-five million, one hundred six thousand, six hundred forty-two".