1611740068 has 6 divisors (see below), whose sum is σ = 2820545126. Its totient is φ = 805870032.

The previous prime is 1611740057. The next prime is 1611740077. The reversal of 1611740068 is 8600471161.

It can be written as a sum of positive squares in only one way, i.e., 1609453924 + 2286144 = 40118^2 + 1512^2 .

It is an unprimeable number.

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, 201467505 + ... + 201467512.

Almost surely, 2^1611740068 is an apocalyptic number.

It is an amenable number.

1611740068 is a deficient number, since it is larger than the sum of its proper divisors (1208805058).

1611740068 is a wasteful number, since it uses less digits than its factorization.

1611740068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402935021 (or 402935019 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1611740068 is about 40146.4826354688. The cubic root of 1611740068 is about 1172.4608074697.

The spelling of 1611740068 in words is "one billion, six hundred eleven million, seven hundred forty thousand, sixty-eight".