102643357108 has 24 divisors (see below), whose sum is σ = 180089517440. Its totient is φ = 51189304320.

The previous prime is 102643357093. The next prime is 102643357123. The reversal of 102643357108 is 801753346201.

It is an interprime number because it is at equal distance from previous prime (102643357093) and next prime (102643357123).

It is a congruent number.

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, 4969723 + ... + 4990333.

Almost surely, 2^102643357108 is an apocalyptic number.

It is an amenable number.

102643357108 is a deficient number, since it is larger than the sum of its proper divisors (77446160332).

102643357108 is a wasteful number, since it uses less digits than its factorization.

102643357108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23767 (or 23765 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 102643357108 in words is "one hundred two billion, six hundred forty-three million, three hundred fifty-seven thousand, one hundred eight".