1616133049 has 2 divisors, whose sum is σ = 1616133050. Its totient is φ = 1616133048.

The previous prime is 1616133007. The next prime is 1616133053. The reversal of 1616133049 is 9403316161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1256348025 + 359785024 = 35445^2 + 18968^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616133049 - 2⁹ = 1616132537 is a prime.

It is a super-2 number, since 2×1616133049² = 5223772064140072802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616133059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808066524 + 808066525.

It is an arithmetic number, because the mean of its divisors is an integer number (808066525).

Almost surely, 2^1616133049 is an apocalyptic number.

It is an amenable number.

1616133049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616133049 is an equidigital number, since it uses as much as digits as its factorization.

1616133049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1616133049 is about 40201.1573092119. The cubic root of 1616133049 is about 1173.5250662609.

The spelling of 1616133049 in words is "one billion, six hundred sixteen million, one hundred thirty-three thousand, forty-nine".