32166863819 has 2 divisors, whose sum is σ = 32166863820. Its totient is φ = 32166863818.

The previous prime is 32166863809. The next prime is 32166863917. The reversal of 32166863819 is 91836866123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32166863819 - 2³² = 27871896523 is a prime.

It is a super-2 number, since 2×32166863819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32166863809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16083431909 + 16083431910.

It is an arithmetic number, because the mean of its divisors is an integer number (16083431910).

Almost surely, 2^32166863819 is an apocalyptic number.

32166863819 is a deficient number, since it is larger than the sum of its proper divisors (1).

32166863819 is an equidigital number, since it uses as much as digits as its factorization.

32166863819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 53.

The spelling of 32166863819 in words is "thirty-two billion, one hundred sixty-six million, eight hundred sixty-three thousand, eight hundred nineteen".