16550530 has 16 divisors (see below), whose sum is σ = 29841984. Its totient is φ = 6608880.

The previous prime is 16550509. The next prime is 16550549. The reversal of 16550530 is 3505561.

It is a junction number, because it is equal to n+sod(n) for n = 16550495 and 16550504.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7225 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (1865124).

Almost surely, 2^16550530 is an apocalyptic number.

16550530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16550530 is a deficient number, since it is larger than the sum of its proper divisors (13291454).

16550530 is a wasteful number, since it uses less digits than its factorization.

16550530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 16550530 is about 4068.2342607082. The cubic root of 16550530 is about 254.8417831811.

The spelling of 16550530 in words is "sixteen million, five hundred fifty thousand, five hundred thirty".