64522416 has 80 divisors (see below), whose sum is σ = 194432000. Its totient is φ = 18430272.

The previous prime is 64522411. The next prime is 64522427. The reversal of 64522416 is 61422546.

It is not an unprimeable number, because it can be changed into a prime (64522411) 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, 14505 + ... + 18423.

It is an arithmetic number, because the mean of its divisors is an integer number (2430400).

Almost surely, 2^64522416 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 64522416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97216000).

64522416 is an abundant number, since it is smaller than the sum of its proper divisors (129909584).

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

64522416 is a wasteful number, since it uses less digits than its factorization.

64522416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951 (or 3931 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 64522416 is about 8032.5846400769. The cubic root of 64522416 is about 401.0854186684.

The spelling of 64522416 in words is "sixty-four million, five hundred twenty-two thousand, four hundred sixteen".