102168550 has 36 divisors (see below), whose sum is σ = 207791388. Its totient is φ = 37066000.

The previous prime is 102168533. The next prime is 102168557. The reversal of 102168550 is 55861201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102168557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 236835 + ... + 237265.

It is an arithmetic number, because the mean of its divisors is an integer number (5771983).

Almost surely, 2^102168550 is an apocalyptic number.

102168550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102168550 is an abundant number, since it is smaller than the sum of its proper divisors (105622838).

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

102168550 is an equidigital number, since it uses as much as digits as its factorization.

102168550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 102168550 is about 10107.8459624195. The cubic root of 102168550 is about 467.4900910136.

It can be divided in two parts, 1021685 and 50, that added together give a triangular number (1021735 = T₁₄₂₉).

The spelling of 102168550 in words is "one hundred two million, one hundred sixty-eight thousand, five hundred fifty".