65542575216 has 40 divisors (see below), whose sum is σ = 169510182400. Its totient is φ = 21822768576.

The previous prime is 65542575211. The next prime is 65542575221. The reversal of 65542575216 is 61257524556.

It is an interprime number because it is at equal distance from previous prime (65542575211) and next prime (65542575221).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65542575211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730816 + ... + 815583.

It is an arithmetic number, because the mean of its divisors is an integer number (4237754560).

Almost surely, 2^65542575216 is an apocalyptic number.

It is an amenable number.

65542575216 is an abundant number, since it is smaller than the sum of its proper divisors (103967607184).

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

65542575216 is a wasteful number, since it uses less digits than its factorization.

65542575216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547293 (or 1547287 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 48.

The spelling of 65542575216 in words is "sixty-five billion, five hundred forty-two million, five hundred seventy-five thousand, two hundred sixteen".