65116450 has 48 divisors (see below), whose sum is σ = 144455040. Its totient is φ = 21352320.

The previous prime is 65116423. The next prime is 65116451. The reversal of 65116450 is 5461156.

It is not an unprimeable number, because it can be changed into a prime (65116451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4006 + ... + 12094.

It is an arithmetic number, because the mean of its divisors is an integer number (3009480).

Almost surely, 2^65116450 is an apocalyptic number.

65116450 is an abundant number, since it is smaller than the sum of its proper divisors (79338590).

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

65116450 is a wasteful number, since it uses less digits than its factorization.

65116450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131 (or 8126 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 65116450 is about 8069.4764390263. The cubic root of 65116450 is about 402.3125421076.

The spelling of 65116450 in words is "sixty-five million, one hundred sixteen thousand, four hundred fifty".