64332411552 has 36 divisors (see below), whose sum is σ = 182945296170. Its totient is φ = 21444137088.

The previous prime is 64332411527. The next prime is 64332411553. The reversal of 64332411552 is 25511423346.

64332411552 is a `hidden beast` number, since 64 + 3 + 3 + 2 + 41 + 1 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63909862416 + 422549136 = 252804^2 + 20556^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (64332411553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111687927 + ... + 111688502.

Almost surely, 2^64332411552 is an apocalyptic number.

It is an amenable number.

64332411552 is an abundant number, since it is smaller than the sum of its proper divisors (118612884618).

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

64332411552 is a wasteful number, since it uses less digits than its factorization.

64332411552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223376445 (or 223376434 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 64332411552 its reverse (25511423346), we get a palindrome (89843834898).

The spelling of 64332411552 in words is "sixty-four billion, three hundred thirty-two million, four hundred eleven thousand, five hundred fifty-two".