32161394012 has 48 divisors (see below), whose sum is σ = 64736340480. Its totient is φ = 13826736000.

The previous prime is 32161394003. The next prime is 32161394029. The reversal of 32161394012 is 21049316123.

It is a super-2 number, since 2×32161394012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32161394012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484637 + ... + 546987.

It is an arithmetic number, because the mean of its divisors is an integer number (1348673760).

Almost surely, 2^32161394012 is an apocalyptic number.

It is an amenable number.

32161394012 is an abundant number, since it is smaller than the sum of its proper divisors (32574946468).

32161394012 is a wasteful number, since it uses less digits than its factorization.

32161394012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63002 (or 63000 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 32161394012 in words is "thirty-two billion, one hundred sixty-one million, three hundred ninety-four thousand, twelve".