16550534 has 48 divisors (see below), whose sum is σ = 33956496. Its totient is φ = 5947200.

The previous prime is 16550509. The next prime is 16550549. The reversal of 16550534 is 43505561.

16550534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16550497 and 16550506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13424 + ... + 14604.

It is an arithmetic number, because the mean of its divisors is an integer number (707427).

Almost surely, 2^16550534 is an apocalyptic number.

16550534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16550534 is an abundant number, since it is smaller than the sum of its proper divisors (17405962).

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

16550534 is a wasteful number, since it uses less digits than its factorization.

16550534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 16550534 is about 4068.2347523219. The cubic root of 16550534 is about 254.8418037115.

The spelling of 16550534 in words is "sixteen million, five hundred fifty thousand, five hundred thirty-four".