1610017361 has 2 divisors, whose sum is σ = 1610017362. Its totient is φ = 1610017360.

The previous prime is 1610017327. The next prime is 1610017427. The reversal of 1610017361 is 1637100161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101244225 + 508773136 = 33185^2 + 22556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1610017361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1610017361.

It is not a weakly prime, because it can be changed into another prime (1610017301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805008680 + 805008681.

It is an arithmetic number, because the mean of its divisors is an integer number (805008681).

Almost surely, 2^1610017361 is an apocalyptic number.

It is an amenable number.

1610017361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610017361 is an equidigital number, since it uses as much as digits as its factorization.

1610017361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1610017361 is about 40125.0216323929. The cubic root of 1610017361 is about 1172.0429306398.

The spelling of 1610017361 in words is "one billion, six hundred ten million, seventeen thousand, three hundred sixty-one".