1616504732273 has 2 divisors, whose sum is σ = 1616504732274. Its totient is φ = 1616504732272.

The previous prime is 1616504732263. The next prime is 1616504732291. The reversal of 1616504732273 is 3722374056161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1332530848609 + 283973883664 = 1154353^2 + 532892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616504732273 - 2⁴ = 1616504732257 is a prime.

It is a super-2 number, since 2×1616504732273² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616504732243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808252366136 + 808252366137.

It is an arithmetic number, because the mean of its divisors is an integer number (808252366137).

Almost surely, 2^{1616504732273} is an apocalyptic number.

It is an amenable number.

1616504732273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616504732273 is an equidigital number, since it uses as much as digits as its factorization.

1616504732273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 1616504732273 in words is "one trillion, six hundred sixteen billion, five hundred four million, seven hundred thirty-two thousand, two hundred seventy-three".