16206220057 has 2 divisors, whose sum is σ = 16206220058. Its totient is φ = 16206220056.

The previous prime is 16206220033. The next prime is 16206220081. The reversal of 16206220057 is 75002260261.

It is a balanced prime because it is at equal distance from previous prime (16206220033) and next prime (16206220081).

It can be written as a sum of positive squares in only one way, i.e., 13767736896 + 2438483161 = 117336^2 + 49381^2 .

It is a cyclic number.

It is not a de Polignac number, because 16206220057 - 2³¹ = 14058736409 is a prime.

It is not a weakly prime, because it can be changed into another prime (16206220087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8103110028 + 8103110029.

It is an arithmetic number, because the mean of its divisors is an integer number (8103110029).

Almost surely, 2^16206220057 is an apocalyptic number.

It is an amenable number.

16206220057 is a deficient number, since it is larger than the sum of its proper divisors (1).

16206220057 is an equidigital number, since it uses as much as digits as its factorization.

16206220057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 16206220057 in words is "sixteen billion, two hundred six million, two hundred twenty thousand, fifty-seven".