1616474072417 has 2 divisors, whose sum is σ = 1616474072418. Its totient is φ = 1616474072416.

The previous prime is 1616474072333. The next prime is 1616474072429. The reversal of 1616474072417 is 7142704746161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1251453891856 + 365020180561 = 1118684^2 + 604169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616474072417 is a prime.

It is a super-2 number, since 2×1616474072417² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1616474075417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808237036208 + 808237036209.

It is an arithmetic number, because the mean of its divisors is an integer number (808237036209).

Almost surely, 2^{1616474072417} is an apocalyptic number.

It is an amenable number.

1616474072417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616474072417 is an equidigital number, since it uses as much as digits as its factorization.

1616474072417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 1616474072417 in words is "one trillion, six hundred sixteen billion, four hundred seventy-four million, seventy-two thousand, four hundred seventeen".