16702993 has 8 divisors (see below), whose sum is σ = 17763840. Its totient is φ = 15650880.

The previous prime is 16702979. The next prime is 16702997. The reversal of 16702993 is 39920761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16702993 - 2⁹ = 16702481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16702997) 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, 2008 + ... + 6118.

It is an arithmetic number, because the mean of its divisors is an integer number (2220480).

Almost surely, 2^16702993 is an apocalyptic number.

It is an amenable number.

16702993 is a deficient number, since it is larger than the sum of its proper divisors (1060847).

16702993 is a wasteful number, since it uses less digits than its factorization.

16702993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 16702993 is about 4086.9295320570. The cubic root of 16702993 is about 255.6219242102.

The spelling of 16702993 in words is "sixteen million, seven hundred two thousand, nine hundred ninety-three".