102016550 has 12 divisors (see below), whose sum is σ = 189750876. Its totient is φ = 40806600.

The previous prime is 102016493. The next prime is 102016553. The reversal of 102016550 is 55610201.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102016553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020116 + ... + 1020215.

It is an arithmetic number, because the mean of its divisors is an integer number (15812573).

Almost surely, 2^102016550 is an apocalyptic number.

102016550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102016550 is a deficient number, since it is larger than the sum of its proper divisors (87734326).

102016550 is a wasteful number, since it uses less digits than its factorization.

102016550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040343 (or 2040338 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 102016550 is about 10100.3242522208. The cubic root of 102016550 is about 467.2581417436.

Adding to 102016550 its reverse (55610201), we get a palindrome (157626751).

The spelling of 102016550 in words is "one hundred two million, sixteen thousand, five hundred fifty".