1610511061 has 2 divisors, whose sum is σ = 1610511062. Its totient is φ = 1610511060.

The previous prime is 1610511059. The next prime is 1610511073. The reversal of 1610511061 is 1601150161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1492354161 + 118156900 = 38631^2 + 10870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610511061 - 2¹ = 1610511059 is a prime.

Together with 1610511059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1610511011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805255530 + 805255531.

It is an arithmetic number, because the mean of its divisors is an integer number (805255531).

Almost surely, 2^1610511061 is an apocalyptic number.

It is an amenable number.

1610511061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610511061 is an equidigital number, since it uses as much as digits as its factorization.

1610511061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1610511061 is about 40131.1731824526. The cubic root of 1610511061 is about 1172.1627178491.

The spelling of 1610511061 in words is "one billion, six hundred ten million, five hundred eleven thousand, sixty-one".