32163601272 has 64 divisors (see below), whose sum is σ = 89156972160. Its totient is φ = 9586761600.

The previous prime is 32163601259. The next prime is 32163601273. The reversal of 32163601272 is 27210636123.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32163601273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982518 + ... + 1014725.

It is an arithmetic number, because the mean of its divisors is an integer number (1393077690).

Almost surely, 2^32163601272 is an apocalyptic number.

It is an amenable number.

32163601272 is an abundant number, since it is smaller than the sum of its proper divisors (56993370888).

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

32163601272 is a wasteful number, since it uses less digits than its factorization.

32163601272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997324 (or 1997320 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 32163601272 in words is "thirty-two billion, one hundred sixty-three million, six hundred one thousand, two hundred seventy-two".