65883120 has 80 divisors (see below), whose sum is σ = 205320192. Its totient is φ = 17475840.

The previous prime is 65883113. The next prime is 65883131. The reversal of 65883120 is 2138856.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52905 + ... + 54135.

Almost surely, 2^65883120 is an apocalyptic number.

65883120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65883120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102660096).

65883120 is an abundant number, since it is smaller than the sum of its proper divisors (139437072).

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

65883120 is a wasteful number, since it uses less digits than its factorization.

65883120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 65883120 is about 8116.8417503361. The cubic root of 65883120 is about 403.8853054804.

The spelling of 65883120 in words is "sixty-five million, eight hundred eighty-three thousand, one hundred twenty".