16930605 has 16 divisors (see below), whose sum is σ = 27720000. Its totient is φ = 8819328.

The previous prime is 16930603. The next prime is 16930631. The reversal of 16930605 is 50603961.

It is a happy number.

It is not a de Polignac number, because 16930605 - 2¹ = 16930603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16930601) 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 15 ways as a sum of consecutive naturals, for example, 12480 + ... + 13769.

It is an arithmetic number, because the mean of its divisors is an integer number (1732500).

Almost surely, 2^16930605 is an apocalyptic number.

16930605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16930605 is a deficient number, since it is larger than the sum of its proper divisors (10789395).

16930605 is a wasteful number, since it uses less digits than its factorization.

16930605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26300.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 16930605 is about 4114.6816401758. The cubic root of 16930605 is about 256.7778111621. Note that the first 3 decimals are identical.

The spelling of 16930605 in words is "sixteen million, nine hundred thirty thousand, six hundred five".