16432532670997 has 2 divisors, whose sum is σ = 16432532670998. Its totient is φ = 16432532670996.

The previous prime is 16432532670979. The next prime is 16432532671043. The reversal of 16432532670997 is 79907623523461.

Together with previous prime (16432532670979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11381946153796 + 5050586517201 = 3373714^2 + 2247351^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432532670997 - 2³⁵ = 16398172932629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16432532670397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216266335498 + 8216266335499.

It is an arithmetic number, because the mean of its divisors is an integer number (8216266335499).

Almost surely, 2^{16432532670997} is an apocalyptic number.

It is an amenable number.

16432532670997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432532670997 is an equidigital number, since it uses as much as digits as its factorization.

16432532670997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102876480, while the sum is 64.

The spelling of 16432532670997 in words is "sixteen trillion, four hundred thirty-two billion, five hundred thirty-two million, six hundred seventy thousand, nine hundred ninety-seven".