102654661655 has 96 divisors (see below), whose sum is σ = 160736607360. Its totient is φ = 62325365760.

The previous prime is 102654661609. The next prime is 102654661667. The reversal of 102654661655 is 556166456201.

It is not a de Polignac number, because 102654661655 - 2¹⁰ = 102654660631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8360861 + ... + 8373129.

It is an arithmetic number, because the mean of its divisors is an integer number (1674339660).

Almost surely, 2^102654661655 is an apocalyptic number.

102654661655 is a deficient number, since it is larger than the sum of its proper divisors (58081945705).

102654661655 is a wasteful number, since it uses less digits than its factorization.

102654661655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12409 (or 12402 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 102654661655 in words is "one hundred two billion, six hundred fifty-four million, six hundred sixty-one thousand, six hundred fifty-five".