1610016601 has 2 divisors, whose sum is σ = 1610016602. Its totient is φ = 1610016600.

The previous prime is 1610016571. The next prime is 1610016619. The reversal of 1610016601 is 1066100161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1609935376 + 81225 = 40124^2 + 285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1610016601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1610016101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805008300 + 805008301.

It is an arithmetic number, because the mean of its divisors is an integer number (805008301).

Almost surely, 2^1610016601 is an apocalyptic number.

It is an amenable number.

1610016601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610016601 is an equidigital number, since it uses as much as digits as its factorization.

1610016601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1610016601 is about 40125.0121619919. The cubic root of 1610016601 is about 1172.0427462209.

Adding to 1610016601 its reverse (1066100161), we get a palindrome (2676116762).

The spelling of 1610016601 in words is "one billion, six hundred ten million, sixteen thousand, six hundred one".