65572416 has 280 divisors, whose sum is σ = 240954560. Its totient is φ = 17169408.

The previous prime is 65572411. The next prime is 65572421. The reversal of 65572416 is 61427556.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65572411) and next prime (65572421).

It is a super-3 number, since 3×65572416³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (65572411) 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 39 ways as a sum of consecutive naturals, for example, 471675 + ... + 471813.

It is an arithmetic number, because the mean of its divisors is an integer number (860552).

Almost surely, 2^65572416 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 65572416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120477280).

65572416 is an abundant number, since it is smaller than the sum of its proper divisors (175382144).

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

65572416 is a wasteful number, since it uses less digits than its factorization.

65572416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 164 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 65572416 is about 8097.6796676579. The cubic root of 65572416 is about 403.2493987095.

The spelling of 65572416 in words is "sixty-five million, five hundred seventy-two thousand, four hundred sixteen".