1616011012387 has 2 divisors, whose sum is σ = 1616011012388. Its totient is φ = 1616011012386.

The previous prime is 1616011012339. The next prime is 1616011012397. The reversal of 1616011012387 is 7832101106161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1616011012387 - 2³⁵ = 1581651274019 is a prime.

It is a super-2 number, since 2×1616011012387² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616011012397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808005506193 + 808005506194.

It is an arithmetic number, because the mean of its divisors is an integer number (808005506194).

Almost surely, 2^{1616011012387} is an apocalyptic number.

1616011012387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616011012387 is an equidigital number, since it uses as much as digits as its factorization.

1616011012387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 1616011012387 in words is "one trillion, six hundred sixteen billion, eleven million, twelve thousand, three hundred eighty-seven".