65628548352 has 90 divisors (see below), whose sum is σ = 195692518098. Its totient is φ = 21876175872.

The previous prime is 65628548351. The next prime is 65628548389. The reversal of 65628548352 is 25384582656.

65628548352 is a `hidden beast` number, since 6 + 5 + 6 + 285 + 4 + 8 + 352 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48795042816 + 16833505536 = 220896^2 + 129744^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65628548351) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1561743 + ... + 1603214.

Almost surely, 2^65628548352 is an apocalyptic number.

It is an amenable number.

65628548352 is an abundant number, since it is smaller than the sum of its proper divisors (130063969746).

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

65628548352 is an equidigital number, since it uses as much as digits as its factorization.

65628548352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164985 (or 3164962 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 54.

The spelling of 65628548352 in words is "sixty-five billion, six hundred twenty-eight million, five hundred forty-eight thousand, three hundred fifty-two".