16432780482761 has 2 divisors, whose sum is σ = 16432780482762. Its totient is φ = 16432780482760.

The previous prime is 16432780482707. The next prime is 16432780482779. The reversal of 16432780482761 is 16728408723461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15187045467136 + 1245735015625 = 3897056^2 + 1116125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16432780482761 is a prime.

It is a super-2 number, since 2×16432780482761² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16432780482761.

It is not a weakly prime, because it can be changed into another prime (16432780482161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216390241380 + 8216390241381.

It is an arithmetic number, because the mean of its divisors is an integer number (8216390241381).

Almost surely, 2^{16432780482761} is an apocalyptic number.

It is an amenable number.

16432780482761 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432780482761 is an equidigital number, since it uses as much as digits as its factorization.

16432780482761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 16432780482761 in words is "sixteen trillion, four hundred thirty-two billion, seven hundred eighty million, four hundred eighty-two thousand, seven hundred sixty-one".