132664643450220 has 384 divisors, whose sum is σ = 443612928245760. Its totient is φ = 28992216314880.

The previous prime is 132664643450191. The next prime is 132664643450291. The reversal of 132664643450220 is 22054346466231.

It is a self number, because there is not a number n which added to its sum of digits gives 132664643450220.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 258780187 + ... + 259292333.

It is an arithmetic number, because the mean of its divisors is an integer number (1155242000640).

Almost surely, 2^{132664643450220} is an apocalyptic number.

132664643450220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132664643450220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221806464122880).

132664643450220 is an abundant number, since it is smaller than the sum of its proper divisors (310948284795540).

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

132664643450220 is a wasteful number, since it uses less digits than its factorization.

132664643450220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512493 (or 512491 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 132664643450220 in words is "one hundred thirty-two trillion, six hundred sixty-four billion, six hundred forty-three million, four hundred fifty thousand, two hundred twenty".