16530470 has 32 divisors (see below), whose sum is σ = 32797440. Its totient is φ = 5948640.

The previous prime is 16530463. The next prime is 16530487. The reversal of 16530470 is 7403561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10601 + ... + 12059.

It is an arithmetic number, because the mean of its divisors is an integer number (1024920).

Almost surely, 2^16530470 is an apocalyptic number.

16530470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16530470 is a deficient number, since it is larger than the sum of its proper divisors (16266970).

16530470 is a wasteful number, since it uses less digits than its factorization.

16530470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 16530470 is about 4065.7680701191. The cubic root of 16530470 is about 254.7387815866.

The spelling of 16530470 in words is "sixteen million, five hundred thirty thousand, four hundred seventy".