16765005 has 16 divisors (see below), whose sum is σ = 26956224. Its totient is φ = 8897280.

The previous prime is 16764997. The next prime is 16765031. The reversal of 16765005 is 50056761.

It is not a de Polignac number, because 16765005 - 2³ = 16764997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (1684764).

Almost surely, 2^16765005 is an apocalyptic number.

16765005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16765005 is a deficient number, since it is larger than the sum of its proper divisors (10191219).

16765005 is a wasteful number, since it uses less digits than its factorization.

16765005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 16765005 is about 4094.5091280885. The cubic root of 16765005 is about 255.9378765680.

The spelling of 16765005 in words is "sixteen million, seven hundred sixty-five thousand, five".