16432451513377 has 2 divisors, whose sum is σ = 16432451513378. Its totient is φ = 16432451513376.

The previous prime is 16432451513371. The next prime is 16432451513381. The reversal of 16432451513377 is 77331515423461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13652758961296 + 2779692552081 = 3694964^2 + 1667241^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432451513377 - 2³ = 16432451513369 is a prime.

It is not a weakly prime, because it can be changed into another prime (16432451513371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216225756688 + 8216225756689.

It is an arithmetic number, because the mean of its divisors is an integer number (8216225756689).

Almost surely, 2^{16432451513377} is an apocalyptic number.

It is an amenable number.

16432451513377 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432451513377 is an equidigital number, since it uses as much as digits as its factorization.

16432451513377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 52.

The spelling of 16432451513377 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, five hundred thirteen thousand, three hundred seventy-seven".