102163302720 has 84 divisors (see below), whose sum is σ = 351399203220. Its totient is φ = 27243546624.

The previous prime is 102163302643. The next prime is 102163302739. The reversal of 102163302720 is 27203361201.

102163302720 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 633 + 0 + 2 + 7 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59025674304 + 43137628416 = 242952^2 + 207696^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17733805 + ... + 17739564.

Almost surely, 2^102163302720 is an apocalyptic number.

102163302720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102163302720 is an abundant number, since it is smaller than the sum of its proper divisors (249235900500).

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

102163302720 is a wasteful number, since it uses less digits than its factorization.

102163302720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35473392 (or 35473379 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

Adding to 102163302720 its reverse (27203361201), we get a palindrome (129366663921).

The spelling of 102163302720 in words is "one hundred two billion, one hundred sixty-three million, three hundred two thousand, seven hundred twenty".