1611011066 has 16 divisors (see below), whose sum is σ = 2763633600. Its totient is φ = 689958240.

The previous prime is 1611011033. The next prime is 1611011081. The reversal of 1611011066 is 6601101161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18116 + ... + 59583.

It is an arithmetic number, because the mean of its divisors is an integer number (172727100).

Almost surely, 2^1611011066 is an apocalyptic number.

1611011066 is a deficient number, since it is larger than the sum of its proper divisors (1152622534).

1611011066 is a wasteful number, since it uses less digits than its factorization.

1611011066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79189.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1611011066 is about 40137.4023324878. The cubic root of 1611011066 is about 1172.2840099018.

The spelling of 1611011066 in words is "one billion, six hundred eleven million, eleven thousand, sixty-six".