102806339946 has 32 divisors (see below), whose sum is σ = 211919899968. Its totient is φ = 33227832960.

The previous prime is 102806339897. The next prime is 102806340011. The reversal of 102806339946 is 649933608201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241841 + ... + 1322036.

It is an arithmetic number, because the mean of its divisors is an integer number (6622496874).

Almost surely, 2^102806339946 is an apocalyptic number.

102806339946 is an abundant number, since it is smaller than the sum of its proper divisors (109113560022).

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

102806339946 is a wasteful number, since it uses less digits than its factorization.

102806339946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564086.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 102806339946 in words is "one hundred two billion, eight hundred six million, three hundred thirty-nine thousand, nine hundred forty-six".