16690430 has 16 divisors (see below), whose sum is σ = 31810320. Its totient is φ = 6283392.

The previous prime is 16690423. The next prime is 16690459. The reversal of 16690430 is 3409661.

It is a junction number, because it is equal to n+sod(n) for n = 16690393 and 16690402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48920 + ... + 49259.

It is an arithmetic number, because the mean of its divisors is an integer number (1988145).

Almost surely, 2^16690430 is an apocalyptic number.

16690430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16690430 is a deficient number, since it is larger than the sum of its proper divisors (15119890).

16690430 is a wasteful number, since it uses less digits than its factorization.

16690430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98203.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 16690430 is about 4085.3922700274. The cubic root of 16690430 is about 255.5578202558.

The spelling of 16690430 in words is "sixteen million, six hundred ninety thousand, four hundred thirty".