65454216 has 64 divisors (see below), whose sum is σ = 174674880. Its totient is φ = 20367360.

The previous prime is 65454211. The next prime is 65454223. The reversal of 65454216 is 61245456.

It is not an unprimeable number, because it can be changed into a prime (65454211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55311 + ... + 56481.

It is an arithmetic number, because the mean of its divisors is an integer number (2729295).

Almost surely, 2^65454216 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 65454216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87337440).

65454216 is an abundant number, since it is smaller than the sum of its proper divisors (109220664).

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

65454216 is a wasteful number, since it uses less digits than its factorization.

65454216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1330 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 65454216 is about 8090.3779886974. The cubic root of 65454216 is about 403.0069555700.

The spelling of 65454216 in words is "sixty-five million, four hundred fifty-four thousand, two hundred sixteen".