65085453216 has 72 divisors (see below), whose sum is σ = 211527729504. Its totient is φ = 18595843200.

The previous prime is 65085453187. The next prime is 65085453233. The reversal of 65085453216 is 61235458056.

65085453216 is a `hidden beast` number, since 6 + 50 + 8 + 54 + 532 + 16 = 666.

65085453216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×65085453216² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16140210 + ... + 16144241.

It is an arithmetic number, because the mean of its divisors is an integer number (2937885132).

Almost surely, 2^65085453216 is an apocalyptic number.

It is an amenable number.

65085453216 is an abundant number, since it is smaller than the sum of its proper divisors (146442276288).

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

65085453216 is a wasteful number, since it uses less digits than its factorization.

65085453216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32284474 (or 32284463 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 65085453216 in words is "sixty-five billion, eighty-five million, four hundred fifty-three thousand, two hundred sixteen".