32320527516 has 72 divisors (see below), whose sum is σ = 81990247248. Its totient is φ = 10735200000.

The previous prime is 32320527461. The next prime is 32320527539. The reversal of 32320527516 is 61572502323.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15165771 + ... + 15167901.

It is an arithmetic number, because the mean of its divisors is an integer number (1138753434).

Almost surely, 2^32320527516 is an apocalyptic number.

32320527516 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

32320527516 is an abundant number, since it is smaller than the sum of its proper divisors (49669719732).

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

32320527516 is a wasteful number, since it uses less digits than its factorization.

32320527516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443 (or 3438 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 32320527516 in words is "thirty-two billion, three hundred twenty million, five hundred twenty-seven thousand, five hundred sixteen".