1061600066 has 16 divisors (see below), whose sum is σ = 1600300800. Its totient is φ = 528173520.

The previous prime is 1061600051. The next prime is 1061600069. The reversal of 1061600066 is 6600061601.

It is a super-2 number, since 2×1061600066² = 2253989400262408712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1061600069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408431 + ... + 411021.

It is an arithmetic number, because the mean of its divisors is an integer number (100018800).

Almost surely, 2^1061600066 is an apocalyptic number.

1061600066 is a deficient number, since it is larger than the sum of its proper divisors (538700734).

1061600066 is a wasteful number, since it uses less digits than its factorization.

1061600066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1061600066 is about 32582.2047443079. The cubic root of 1061600066 is about 1020.1255984002.

Adding to 1061600066 its reverse (6600061601), we get a palindrome (7661661667).

The spelling of 1061600066 in words is "one billion, sixty-one million, six hundred thousand, sixty-six".