102566909087643 has 48 divisors (see below), whose sum is σ = 185007317320448. Its totient is φ = 49182933412800.

The previous prime is 102566909087623. The next prime is 102566909087707. The reversal of 102566909087643 is 346780909665201.

It is not a de Polignac number, because 102566909087643 - 2¹⁸ = 102566908825499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102566909087623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1552458553 + ... + 1552524618.

It is a 1-persistent number, because it is pandigital, but 2⋅102566909087643 = 205133818175286 is not.

Almost surely, 2^{102566909087643} is an apocalyptic number.

102566909087643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102566909087643 is a deficient number, since it is larger than the sum of its proper divisors (82440408232805).

102566909087643 is a wasteful number, since it uses less digits than its factorization.

102566909087643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104983216 (or 3104983205 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 102566909087643 in words is "one hundred two trillion, five hundred sixty-six billion, nine hundred nine million, eighty-seven thousand, six hundred forty-three".