65547452416 has 60 divisors (see below), whose sum is σ = 134635146688. Its totient is φ = 31887654912.

The previous prime is 65547452393. The next prime is 65547452431. The reversal of 65547452416 is 61425474556.

It is a self number, because there is not a number n which added to its sum of digits gives 65547452416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552145 + ... + 660271.

Almost surely, 2^65547452416 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 65547452416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67317573344).

65547452416 is an abundant number, since it is smaller than the sum of its proper divisors (69087694272).

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

65547452416 is an equidigital number, since it uses as much as digits as its factorization.

65547452416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108192 (or 108166 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 49.

The spelling of 65547452416 in words is "sixty-five billion, five hundred forty-seven million, four hundred fifty-two thousand, four hundred sixteen".