102539007866 has 16 divisors (see below), whose sum is σ = 154608458400. Its totient is φ = 51002920080.

The previous prime is 102539007863. The next prime is 102539007959. The reversal of 102539007866 is 668700935201.

It is a self number, because there is not a number n which added to its sum of digits gives 102539007866.

It is not an unprimeable number, because it can be changed into a prime (102539007863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6019301 + ... + 6036311.

It is an arithmetic number, because the mean of its divisors is an integer number (9663028650).

Almost surely, 2^102539007866 is an apocalyptic number.

102539007866 is a deficient number, since it is larger than the sum of its proper divisors (52069450534).

102539007866 is a wasteful number, since it uses less digits than its factorization.

102539007866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32509.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 102539007866 in words is "one hundred two billion, five hundred thirty-nine million, seven thousand, eight hundred sixty-six".