32165215001 has 2 divisors, whose sum is σ = 32165215002. Its totient is φ = 32165215000.

The previous prime is 32165214971. The next prime is 32165215111. The reversal of 32165215001 is 10051256123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29571961225 + 2593253776 = 171965^2 + 50924^2 .

It is a cyclic number.

It is not a de Polignac number, because 32165215001 - 2⁶ = 32165214937 is a prime.

It is not a weakly prime, because it can be changed into another prime (32165205001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16082607500 + 16082607501.

It is an arithmetic number, because the mean of its divisors is an integer number (16082607501).

Almost surely, 2^32165215001 is an apocalyptic number.

It is an amenable number.

32165215001 is a deficient number, since it is larger than the sum of its proper divisors (1).

32165215001 is an equidigital number, since it uses as much as digits as its factorization.

32165215001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 32165215001 in words is "thirty-two billion, one hundred sixty-five million, two hundred fifteen thousand, one".