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16790 = 252373

16790 has 16 divisors (see below), whose sum is σ = 31968. Its totient is φ = 6336.

The previous prime is 16787. The next prime is 16811. The reversal of 16790 is 9761.

It is a happy number.

16790 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a nialpdrome in base 7 and base 12.

It is a zygodrome in base 7.

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, 194 + ... + 266.

It is an arithmetic number, because the mean of its divisors is an integer number (1998).

216790 is an apocalyptic number.

16790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16790 is a deficient number, since it is larger than the sum of its proper divisors (15178).

16790 is a wasteful number, since it uses less digits than its factorization.

16790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 16790 is about 129.5762323885. The cubic root of 16790 is about 25.6065006278.

The spelling of 16790 in words is "sixteen thousand, seven hundred ninety".

Divisors: 1 2 5 10 23 46 73 115 146 230 365 730 1679 3358 8395 16790