16670430407629 has 2 divisors, whose sum is σ = 16670430407630. Its totient is φ = 16670430407628.

The previous prime is 16670430407593. The next prime is 16670430407639. The reversal of 16670430407629 is 92670403407661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10657645806025 + 6012784601604 = 3264605^2 + 2452098^2 .

It is a cyclic number.

It is not a de Polignac number, because 16670430407629 - 2¹¹ = 16670430405581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16670430407629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16670430407639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8335215203814 + 8335215203815.

It is an arithmetic number, because the mean of its divisors is an integer number (8335215203815).

Almost surely, 2^{16670430407629} is an apocalyptic number.

It is an amenable number.

16670430407629 is a deficient number, since it is larger than the sum of its proper divisors (1).

16670430407629 is an equidigital number, since it uses as much as digits as its factorization.

16670430407629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 16670430407629 in words is "sixteen trillion, six hundred seventy billion, four hundred thirty million, four hundred seven thousand, six hundred twenty-nine".