102666886663 has 16 divisors (see below), whose sum is σ = 116928000000. Its totient is φ = 89231107680.

The previous prime is 102666886661. The next prime is 102666886667. The reversal of 102666886663 is 366688666201.

It is not a de Polignac number, because 102666886663 - 2¹ = 102666886661 is a prime.

It is a super-4 number, since 4×102666886663⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102666886598 and 102666886607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102666886661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413338 + ... + 613336.

It is an arithmetic number, because the mean of its divisors is an integer number (7308000000).

Almost surely, 2^102666886663 is an apocalyptic number.

102666886663 is a deficient number, since it is larger than the sum of its proper divisors (14261113337).

102666886663 is a wasteful number, since it uses less digits than its factorization.

102666886663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202062.

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 102666886663 in words is "one hundred two billion, six hundred sixty-six million, eight hundred eighty-six thousand, six hundred sixty-three".