1071660347 has 2 divisors, whose sum is σ = 1071660348. Its totient is φ = 1071660346.

The previous prime is 1071660311. The next prime is 1071660361. The reversal of 1071660347 is 7430661701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1071660347 is a prime.

It is a super-2 number, since 2×1071660347² = 2296911798664320818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071660047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535830173 + 535830174.

It is an arithmetic number, because the mean of its divisors is an integer number (535830174).

Almost surely, 2^1071660347 is an apocalyptic number.

1071660347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071660347 is an equidigital number, since it uses as much as digits as its factorization.

1071660347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1071660347 is about 32736.2237742840. The cubic root of 1071660347 is about 1023.3378882568.

The spelling of 1071660347 in words is "one billion, seventy-one million, six hundred sixty thousand, three hundred forty-seven".