16997950 has 12 divisors (see below), whose sum is σ = 31616280. Its totient is φ = 6799160.

The previous prime is 16997947. The next prime is 16997957. The reversal of 16997950 is 5979961.

It is a self number, because there is not a number n which added to its sum of digits gives 16997950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16997957) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 169930 + ... + 170029.

It is an arithmetic number, because the mean of its divisors is an integer number (2634690).

Almost surely, 2^16997950 is an apocalyptic number.

16997950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16997950 is a deficient number, since it is larger than the sum of its proper divisors (14618330).

16997950 is a wasteful number, since it uses less digits than its factorization.

16997950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339971 (or 339966 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 16997950 is about 4122.8570191070. The cubic root of 16997950 is about 257.1178231067.

The spelling of 16997950 in words is "sixteen million, nine hundred ninety-seven thousand, nine hundred fifty".