1616145017 has 2 divisors, whose sum is σ = 1616145018. Its totient is φ = 1616145016.

The previous prime is 1616144923. The next prime is 1616145049. The reversal of 1616145017 is 7105416161.

It is an a-pointer prime, because the next prime (1616145049) can be obtained adding 1616145017 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1593287056 + 22857961 = 39916^2 + 4781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616145017 - 2¹⁶ = 1616079481 is a prime.

It is a super-2 number, since 2×1616145017² = 5223849431947860578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616145617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808072508 + 808072509.

It is an arithmetic number, because the mean of its divisors is an integer number (808072509).

Almost surely, 2^1616145017 is an apocalyptic number.

It is an amenable number.

1616145017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616145017 is an equidigital number, since it uses as much as digits as its factorization.

1616145017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1616145017 is about 40201.3061603725. The cubic root of 1616145017 is about 1173.5279630343.

The spelling of 1616145017 in words is "one billion, six hundred sixteen million, one hundred forty-five thousand, seventeen".