1016545656223 has 2 divisors, whose sum is σ = 1016545656224. Its totient is φ = 1016545656222.

The previous prime is 1016545656199. The next prime is 1016545656257. The reversal of 1016545656223 is 3226565456101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1016545656223 - 2¹³ = 1016545648031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016545656263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508272828111 + 508272828112.

It is an arithmetic number, because the mean of its divisors is an integer number (508272828112).

Almost surely, 2^{1016545656223} is an apocalyptic number.

1016545656223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016545656223 is an equidigital number, since it uses as much as digits as its factorization.

1016545656223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 1016545656223 in words is "one trillion, sixteen billion, five hundred forty-five million, six hundred fifty-six thousand, two hundred twenty-three".