16432455053081 has 2 divisors, whose sum is σ = 16432455053082. Its totient is φ = 16432455053080.

The previous prime is 16432455053011. The next prime is 16432455053099. The reversal of 16432455053081 is 18035055423461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14206567105600 + 2225887947481 = 3769160^2 + 1491941^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432455053081 - 2²² = 16432450858777 is a prime.

It is a super-2 number, since 2×16432455053081² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16432455053011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216227526540 + 8216227526541.

It is an arithmetic number, because the mean of its divisors is an integer number (8216227526541).

Almost surely, 2^{16432455053081} is an apocalyptic number.

It is an amenable number.

16432455053081 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432455053081 is an equidigital number, since it uses as much as digits as its factorization.

16432455053081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 16432455053081 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-five million, fifty-three thousand, eighty-one".