65163012 has 36 divisors (see below), whose sum is σ = 154309680. Its totient is φ = 21402432.

The previous prime is 65163011. The next prime is 65163013. The reversal of 65163012 is 21036156.

It is an interprime number because it is at equal distance from previous prime (65163011) and next prime (65163013).

It is not an unprimeable number, because it can be changed into a prime (65163011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63439 + ... + 64457.

It is an arithmetic number, because the mean of its divisors is an integer number (4286380).

Almost surely, 2^65163012 is an apocalyptic number.

It is an amenable number.

65163012 is an abundant number, since it is smaller than the sum of its proper divisors (89146668).

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

65163012 is a wasteful number, since it uses less digits than its factorization.

65163012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 65163012 is about 8072.3609929190. The cubic root of 65163012 is about 402.4084114485.

Adding to 65163012 its reverse (21036156), we get a palindrome (86199168).

The spelling of 65163012 in words is "sixty-five million, one hundred sixty-three thousand, twelve".