1616145757459 has 2 divisors, whose sum is σ = 1616145757460. Its totient is φ = 1616145757458.

The previous prime is 1616145757397. The next prime is 1616145757463. The reversal of 1616145757459 is 9547575416161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616145757459 is a prime.

It is a super-2 number, since 2×1616145757459² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616145757397 and 1616145757406.

It is not a weakly prime, because it can be changed into another prime (1616145757859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808072878729 + 808072878730.

It is an arithmetic number, because the mean of its divisors is an integer number (808072878730).

Almost surely, 2^{1616145757459} is an apocalyptic number.

1616145757459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616145757459 is an equidigital number, since it uses as much as digits as its factorization.

1616145757459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752000, while the sum is 61.

The spelling of 1616145757459 in words is "one trillion, six hundred sixteen billion, one hundred forty-five million, seven hundred fifty-seven thousand, four hundred fifty-nine".