1016640354187 has 2 divisors, whose sum is σ = 1016640354188. Its totient is φ = 1016640354186.

The previous prime is 1016640354157. The next prime is 1016640354199. The reversal of 1016640354187 is 7814530466101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016640354187 is a prime.

It is a super-3 number, since 3×1016640354187³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1016640354157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508320177093 + 508320177094.

It is an arithmetic number, because the mean of its divisors is an integer number (508320177094).

Almost surely, 2^{1016640354187} is an apocalyptic number.

1016640354187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016640354187 is an equidigital number, since it uses as much as digits as its factorization.

1016640354187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 1016640354187 in words is "one trillion, sixteen billion, six hundred forty million, three hundred fifty-four thousand, one hundred eighty-seven".