1616795069 has 2 divisors, whose sum is σ = 1616795070. Its totient is φ = 1616795068.

The previous prime is 1616795053. The next prime is 1616795071. The reversal of 1616795069 is 9605976161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1611059044 + 5736025 = 40138^2 + 2395^2 .

It is an emirp because it is prime and its reverse (9605976161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1616795069 - 2⁴ = 1616795053 is a prime.

It is a super-2 number, since 2×1616795069² = 5228052590285429522, which contains 22 as substring.

Together with 1616795071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616795029) 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 as a sum of consecutive naturals, namely, 808397534 + 808397535.

It is an arithmetic number, because the mean of its divisors is an integer number (808397535).

Almost surely, 2^1616795069 is an apocalyptic number.

It is an amenable number.

1616795069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616795069 is an equidigital number, since it uses as much as digits as its factorization.

1616795069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 1616795069 is about 40209.3903087326. The cubic root of 1616795069 is about 1173.6852822383.

The spelling of 1616795069 in words is "one billion, six hundred sixteen million, seven hundred ninety-five thousand, sixty-nine".