32161394011 has 4 divisors (see below), whose sum is σ = 32492954872. Its totient is φ = 31829833152.

The previous prime is 32161394003. The next prime is 32161394029. The reversal of 32161394011 is 11049316123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11049316123 = 6263 ⋅1764221.

It is a cyclic number.

It is not a de Polignac number, because 32161394011 - 2³ = 32161394003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32161395011) 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, 165780285 + ... + 165780478.

It is an arithmetic number, because the mean of its divisors is an integer number (8123238718).

Almost surely, 2^32161394011 is an apocalyptic number.

32161394011 is a deficient number, since it is larger than the sum of its proper divisors (331560861).

32161394011 is an equidigital number, since it uses as much as digits as its factorization.

32161394011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331560860.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 32161394011 in words is "thirty-two billion, one hundred sixty-one million, three hundred ninety-four thousand, eleven".