1616547013 has 2 divisors, whose sum is σ = 1616547014. Its totient is φ = 1616547012.

The previous prime is 1616546951. The next prime is 1616547047. The reversal of 1616547013 is 3107456161.

It is an a-pointer prime, because the next prime (1616547047) can be obtained adding 1616547013 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1612986244 + 3560769 = 40162^2 + 1887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616547013 is a prime.

It is a super-2 number, since 2×1616547013² = 5226448490478444338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616547013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616547613) 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, 808273506 + 808273507.

It is an arithmetic number, because the mean of its divisors is an integer number (808273507).

Almost surely, 2^1616547013 is an apocalyptic number.

It is an amenable number.

1616547013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616547013 is an equidigital number, since it uses as much as digits as its factorization.

1616547013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1616547013 is about 40206.3056373002. The cubic root of 1616547013 is about 1173.6252551364.

The spelling of 1616547013 in words is "one billion, six hundred sixteen million, five hundred forty-seven thousand, thirteen".