65951116 has 48 divisors (see below), whose sum is σ = 144668160. Its totient is φ = 25557120.

The previous prime is 65951107. The next prime is 65951117. The reversal of 65951116 is 61115956.

It is not an unprimeable number, because it can be changed into a prime (65951117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71305 + ... + 72223.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^65951116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65951116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72334080).

65951116 is an abundant number, since it is smaller than the sum of its proper divisors (78717044).

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

65951116 is a wasteful number, since it uses less digits than its factorization.

65951116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1172 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

The square root of 65951116 is about 8121.0292451142. The cubic root of 65951116 is about 404.0242036932.

The spelling of 65951116 in words is "sixty-five million, nine hundred fifty-one thousand, one hundred sixteen".