64132512 has 24 divisors (see below), whose sum is σ = 168348096. Its totient is φ = 21377472.

The previous prime is 64132511. The next prime is 64132531. The reversal of 64132512 is 21523146.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×64132512² = 8225958190860288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (64132511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333928 + ... + 334119.

It is an arithmetic number, because the mean of its divisors is an integer number (7014504).

Almost surely, 2^64132512 is an apocalyptic number.

It is an amenable number.

64132512 is an abundant number, since it is smaller than the sum of its proper divisors (104215584).

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

64132512 is a wasteful number, since it uses less digits than its factorization.

64132512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668060 (or 668052 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 64132512 is about 8008.2777174621. The cubic root of 64132512 is about 400.2758763535.

Adding to 64132512 its reverse (21523146), we get a palindrome (85655658).

It can be divided in two parts, 641 and 32512, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 64132512 in words is "sixty-four million, one hundred thirty-two thousand, five hundred twelve".