1616485516131 has 4 divisors (see below), whose sum is σ = 2155314021512. Its totient is φ = 1077657010752.

The previous prime is 1616485516097. The next prime is 1616485516157. The reversal of 1616485516131 is 1316155846161.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1616485516131 - 2⁷ = 1616485516003 is a prime.

It is a super-2 number, since 2×1616485516131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616485514131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269414252686 + ... + 269414252691.

It is an arithmetic number, because the mean of its divisors is an integer number (538828505378).

Almost surely, 2^{1616485516131} is an apocalyptic number.

1616485516131 is a deficient number, since it is larger than the sum of its proper divisors (538828505381).

1616485516131 is an equidigital number, since it uses as much as digits as its factorization.

1616485516131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538828505380.

The product of its digits is 518400, while the sum is 48.

The spelling of 1616485516131 in words is "one trillion, six hundred sixteen billion, four hundred eighty-five million, five hundred sixteen thousand, one hundred thirty-one".