32016721532 has 12 divisors (see below), whose sum is σ = 56116404456. Its totient is φ = 15983463120.

The previous prime is 32016721511. The next prime is 32016721573. The reversal of 32016721532 is 23512761023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6221519 + ... + 6226662.

It is an arithmetic number, because the mean of its divisors is an integer number (4676367038).

Almost surely, 2^32016721532 is an apocalyptic number.

It is an amenable number.

32016721532 is a deficient number, since it is larger than the sum of its proper divisors (24099682924).

32016721532 is a wasteful number, since it uses less digits than its factorization.

32016721532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12448828 (or 12448826 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 32016721532 in words is "thirty-two billion, sixteen million, seven hundred twenty-one thousand, five hundred thirty-two".