1600420267 has 2 divisors, whose sum is σ = 1600420268. Its totient is φ = 1600420266.

The previous prime is 1600420249. The next prime is 1600420279. The reversal of 1600420267 is 7620240061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1600420267 is a prime.

It is a super-2 number, since 2×1600420267² = 5122690062048702578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1600420567) 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, 800210133 + 800210134.

It is an arithmetic number, because the mean of its divisors is an integer number (800210134).

Almost surely, 2^1600420267 is an apocalyptic number.

1600420267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600420267 is an equidigital number, since it uses as much as digits as its factorization.

1600420267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1600420267 is about 40005.2529925759. The cubic root of 1600420267 is about 1169.7094920005.

The spelling of 1600420267 in words is "one billion, six hundred million, four hundred twenty thousand, two hundred sixty-seven".