1612010761 has 2 divisors, whose sum is σ = 1612010762. Its totient is φ = 1612010760.

The previous prime is 1612010759. The next prime is 1612010779. The reversal of 1612010761 is 1670102161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1174364361 + 437646400 = 34269^2 + 20920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612010761 - 2¹ = 1612010759 is a prime.

Together with 1612010759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1612010731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806005380 + 806005381.

It is an arithmetic number, because the mean of its divisors is an integer number (806005381).

Almost surely, 2^1612010761 is an apocalyptic number.

It is an amenable number.

1612010761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612010761 is an equidigital number, since it uses as much as digits as its factorization.

1612010761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1612010761 is about 40149.8538104437. The cubic root of 1612010761 is about 1172.5264423640.

The spelling of 1612010761 in words is "one billion, six hundred twelve million, ten thousand, seven hundred sixty-one".