102789311816 has 16 divisors (see below), whose sum is σ = 197212052400. Its totient is φ = 50199431184.

The previous prime is 102789311789. The next prime is 102789311827. The reversal of 102789311816 is 618113987201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149402726 + ... + 149403413.

It is an arithmetic number, because the mean of its divisors is an integer number (12325753275).

Almost surely, 2^102789311816 is an apocalyptic number.

It is an amenable number.

102789311816 is a deficient number, since it is larger than the sum of its proper divisors (94422740584).

102789311816 is a wasteful number, since it uses less digits than its factorization.

102789311816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298806188 (or 298806184 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 102789311816 in words is "one hundred two billion, seven hundred eighty-nine million, three hundred eleven thousand, eight hundred sixteen".