1061600069 has 2 divisors, whose sum is σ = 1061600070. Its totient is φ = 1061600068.

The previous prime is 1061600051. The next prime is 1061600087. The reversal of 1061600069 is 9600061601.

It is a balanced prime because it is at equal distance from previous prime (1061600051) and next prime (1061600087).

It can be written as a sum of positive squares in only one way, i.e., 952648225 + 108951844 = 30865^2 + 10438^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061600069 - 2¹² = 1061595973 is a prime.

It is a super-2 number, since 2×1061600069² = 2253989413001609522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061600009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530800034 + 530800035.

It is an arithmetic number, because the mean of its divisors is an integer number (530800035).

Almost surely, 2^1061600069 is an apocalyptic number.

It is an amenable number.

1061600069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061600069 is an equidigital number, since it uses as much as digits as its factorization.

1061600069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1061600069 is about 32582.2047903453. The cubic root of 1061600069 is about 1020.1255993611.

The spelling of 1061600069 in words is "one billion, sixty-one million, six hundred thousand, sixty-nine".