1616065166005 has 8 divisors (see below), whose sum is σ = 1975868354232. Its totient is φ = 1268458696128.

The previous prime is 1616065165927. The next prime is 1616065166047. The reversal of 1616065166005 is 5006615606161.

It can be written as a sum of positive squares in 4 ways, for example, as 211313976721 + 1404751189284 = 459689^2 + 1185222^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1616065166005 - 2⁷ = 1616065165877 is a prime.

It is a super-2 number, since 2×1616065166005² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049179294 + ... + 3049179823.

It is an arithmetic number, because the mean of its divisors is an integer number (246983544279).

Almost surely, 2^{1616065166005} is an apocalyptic number.

It is an amenable number.

1616065166005 is a deficient number, since it is larger than the sum of its proper divisors (359803188227).

1616065166005 is an equidigital number, since it uses as much as digits as its factorization.

1616065166005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098359175.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 1616065166005 in words is "one trillion, six hundred sixteen billion, sixty-five million, one hundred sixty-six thousand, five".