65610960 has 80 divisors (see below), whose sum is σ = 204736896. Its totient is φ = 17380864.

The previous prime is 65610949. The next prime is 65610967. The reversal of 65610960 is 6901656.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65610967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39262 + ... + 40898.

Almost surely, 2^65610960 is an apocalyptic number.

65610960 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 65610960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102368448).

65610960 is an abundant number, since it is smaller than the sum of its proper divisors (139125936).

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

65610960 is a wasteful number, since it uses less digits than its factorization.

65610960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 65610960 is about 8100.0592590425. The cubic root of 65610960 is about 403.3283943267.

The spelling of 65610960 in words is "sixty-five million, six hundred ten thousand, nine hundred sixty".