16693340 has 24 divisors (see below), whose sum is σ = 35132832. Its totient is φ = 6662720.

The previous prime is 16693301. The next prime is 16693349. The reversal of 16693340 is 4339661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16693297 and 16693306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16693349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17270 + ... + 18210.

It is an arithmetic number, because the mean of its divisors is an integer number (1463868).

Almost surely, 2^16693340 is an apocalyptic number.

16693340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16693340 is an abundant number, since it is smaller than the sum of its proper divisors (18439492).

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

16693340 is a wasteful number, since it uses less digits than its factorization.

16693340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 16693340 is about 4085.7484014560. The cubic root of 16693340 is about 255.5726716814.

The spelling of 16693340 in words is "sixteen million, six hundred ninety-three thousand, three hundred forty".