102643357106 has 16 divisors (see below), whose sum is σ = 156146159808. Its totient is φ = 50594754000.

The previous prime is 102643357093. The next prime is 102643357123. The reversal of 102643357106 is 601753346201.

It is a self number, because there is not a number n which added to its sum of digits gives 102643357106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514596 + ... + 2555088.

It is an arithmetic number, because the mean of its divisors is an integer number (9759134988).

Almost surely, 2^102643357106 is an apocalyptic number.

102643357106 is a deficient number, since it is larger than the sum of its proper divisors (53502802702).

102643357106 is a wasteful number, since it uses less digits than its factorization.

102643357106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58417.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 102643357106 in words is "one hundred two billion, six hundred forty-three million, three hundred fifty-seven thousand, one hundred six".