1616314369 has 2 divisors, whose sum is σ = 1616314370. Its totient is φ = 1616314368.

The previous prime is 1616314339. The next prime is 1616314409. The reversal of 1616314369 is 9634136161.

It is a happy number.

It is an a-pointer prime, because the next prime (1616314409) can be obtained adding 1616314369 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946177600 + 670136769 = 30760^2 + 25887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616314369 - 2⁹ = 1616313857 is a prime.

It is a super-2 number, since 2×1616314369² = 5224944278871736322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616314339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808157184 + 808157185.

It is an arithmetic number, because the mean of its divisors is an integer number (808157185).

It is a Proth number, since it is equal to 24663 ⋅ 2¹⁶ + 1 and 24663 < 2¹⁶.

Almost surely, 2^1616314369 is an apocalyptic number.

It is an amenable number.

1616314369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616314369 is an equidigital number, since it uses as much as digits as its factorization.

1616314369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 1616314369 is about 40203.4124049191. The cubic root of 1616314369 is about 1173.5689520058.

The spelling of 1616314369 in words is "one billion, six hundred sixteen million, three hundred fourteen thousand, three hundred sixty-nine".