1616276413 has 2 divisors, whose sum is σ = 1616276414. Its totient is φ = 1616276412.

The previous prime is 1616276407. The next prime is 1616276423. The reversal of 1616276413 is 3146726161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 960814009 + 655462404 = 30997^2 + 25602^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616276413 - 2¹³ = 1616268221 is a prime.

It is a super-2 number, since 2×1616276413² = 5224698886440293138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616276423) 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, 808138206 + 808138207.

It is an arithmetic number, because the mean of its divisors is an integer number (808138207).

Almost surely, 2^1616276413 is an apocalyptic number.

It is an amenable number.

1616276413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616276413 is an equidigital number, since it uses as much as digits as its factorization.

1616276413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 1616276413 is about 40202.9403526657. The cubic root of 1616276413 is about 1173.5597656056.

The spelling of 1616276413 in words is "one billion, six hundred sixteen million, two hundred seventy-six thousand, four hundred thirteen".