32130591860 has 12 divisors (see below), whose sum is σ = 67474242948. Its totient is φ = 12852236736.

The previous prime is 32130591853. The next prime is 32130591869. The reversal of 32130591860 is 6819503123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13093767184 + 19036824676 = 114428^2 + 137974^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130591869) 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, 803264777 + ... + 803264816.

It is an arithmetic number, because the mean of its divisors is an integer number (5622853579).

Almost surely, 2^32130591860 is an apocalyptic number.

It is an amenable number.

32130591860 is an abundant number, since it is smaller than the sum of its proper divisors (35343651088).

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

32130591860 is a wasteful number, since it uses less digits than its factorization.

32130591860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606529602 (or 1606529600 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 32130591860 in words is "thirty-two billion, one hundred thirty million, five hundred ninety-one thousand, eight hundred sixty".