1616073497 has 2 divisors, whose sum is σ = 1616073498. Its totient is φ = 1616073496.

The previous prime is 1616073491. The next prime is 1616073527. The reversal of 1616073497 is 7943706161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1157428441 + 458645056 = 34021^2 + 21416^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616073497 - 2⁸ = 1616073241 is a prime.

It is a super-2 number, since 2×1616073497² = 5223387095411618018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616073491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808036748 + 808036749.

It is an arithmetic number, because the mean of its divisors is an integer number (808036749).

Almost surely, 2^1616073497 is an apocalyptic number.

It is an amenable number.

1616073497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616073497 is an equidigital number, since it uses as much as digits as its factorization.

1616073497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 1616073497 is about 40200.4166271943. The cubic root of 1616073497 is about 1173.5106518901.

The spelling of 1616073497 in words is "one billion, six hundred sixteen million, seventy-three thousand, four hundred ninety-seven".