1616503672019 has 2 divisors, whose sum is σ = 1616503672020. Its totient is φ = 1616503672018.

The previous prime is 1616503672013. The next prime is 1616503672031. The reversal of 1616503672019 is 9102763056161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1616503672019 - 2⁸ = 1616503671763 is a prime.

It is a super-2 number, since 2×1616503672019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616503672013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808251836009 + 808251836010.

It is an arithmetic number, because the mean of its divisors is an integer number (808251836010).

Almost surely, 2^{1616503672019} is an apocalyptic number.

1616503672019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616503672019 is an equidigital number, since it uses as much as digits as its factorization.

1616503672019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 1616503672019 in words is "one trillion, six hundred sixteen billion, five hundred three million, six hundred seventy-two thousand, nineteen".