1610180161 has 2 divisors, whose sum is σ = 1610180162. Its totient is φ = 1610180160.

The previous prime is 1610180153. The next prime is 1610180179. The reversal of 1610180161 is 1610810161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1439747136 + 170433025 = 37944^2 + 13055^2 .

It is an emirp because it is prime and its reverse (1610810161) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1910810191 and 1910180191.

It is a cyclic number.

It is not a de Polignac number, because 1610180161 - 2³ = 1610180153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1610180111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805090080 + 805090081.

It is an arithmetic number, because the mean of its divisors is an integer number (805090081).

Almost surely, 2^1610180161 is an apocalyptic number.

It is an amenable number.

1610180161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610180161 is an equidigital number, since it uses as much as digits as its factorization.

1610180161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 1610180161 is about 40127.0502404550. The cubic root of 1610180161 is about 1172.0824337662.

The spelling of 1610180161 in words is "one billion, six hundred ten million, one hundred eighty thousand, one hundred sixty-one".