1016640616331 has 2 divisors, whose sum is σ = 1016640616332. Its totient is φ = 1016640616330.

The previous prime is 1016640616307. The next prime is 1016640616337. The reversal of 1016640616331 is 1336160466101.

1016640616331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1016640616331 - 2¹⁸ = 1016640354187 is a prime.

It is a super-2 number, since 2×1016640616331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1016640616337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508320308165 + 508320308166.

It is an arithmetic number, because the mean of its divisors is an integer number (508320308166).

Almost surely, 2^{1016640616331} is an apocalyptic number.

1016640616331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016640616331 is an equidigital number, since it uses as much as digits as its factorization.

1016640616331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 1016640616331 in words is "one trillion, sixteen billion, six hundred forty million, six hundred sixteen thousand, three hundred thirty-one".