102783115366668 has 144 divisors (see below), whose sum is σ = 300514145402016. Its totient is φ = 29274263930880.

The previous prime is 102783115366667. The next prime is 102783115366843. The reversal of 102783115366668 is 866663511387201.

It is not an unprimeable number, because it can be changed into a prime (102783115366667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5480071 + ... + 15349182.

It is an arithmetic number, because the mean of its divisors is an integer number (2086903787514).

Almost surely, 2^{102783115366668} is an apocalyptic number.

102783115366668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

102783115366668 is an abundant number, since it is smaller than the sum of its proper divisors (197731030035348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102783115366668 is a wasteful number, since it uses less digits than its factorization.

102783115366668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20830024 (or 20830019 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 102783115366668 in words is "one hundred two trillion, seven hundred eighty-three billion, one hundred fifteen million, three hundred sixty-six thousand, six hundred sixty-eight".