16629477541 has 2 divisors, whose sum is σ = 16629477542. Its totient is φ = 16629477540.

The previous prime is 16629477497. The next prime is 16629477583. The reversal of 16629477541 is 14577492661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15315052516 + 1314425025 = 123754^2 + 36255^2 .

It is a cyclic number.

It is not a de Polignac number, because 16629477541 - 2¹⁷ = 16629346469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16629477341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8314738770 + 8314738771.

It is an arithmetic number, because the mean of its divisors is an integer number (8314738771).

Almost surely, 2^16629477541 is an apocalyptic number.

It is an amenable number.

16629477541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16629477541 is an equidigital number, since it uses as much as digits as its factorization.

16629477541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The spelling of 16629477541 in words is "sixteen billion, six hundred twenty-nine million, four hundred seventy-seven thousand, five hundred forty-one".