32161884187 has 2 divisors, whose sum is σ = 32161884188. Its totient is φ = 32161884186.

The previous prime is 32161884173. The next prime is 32161884229. The reversal of 32161884187 is 78148816123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32161884187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32161884187.

It is not a weakly prime, because it can be changed into another prime (32161884137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16080942093 + 16080942094.

It is an arithmetic number, because the mean of its divisors is an integer number (16080942094).

Almost surely, 2^32161884187 is an apocalyptic number.

32161884187 is a deficient number, since it is larger than the sum of its proper divisors (1).

32161884187 is an equidigital number, since it uses as much as digits as its factorization.

32161884187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 49.

The spelling of 32161884187 in words is "thirty-two billion, one hundred sixty-one million, eight hundred eighty-four thousand, one hundred eighty-seven".