16765530 has 32 divisors (see below), whose sum is σ = 40514688. Its totient is φ = 4440000.

The previous prime is 16765523. The next prime is 16765531. The reversal of 16765530 is 3556761.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16765491 and 16765500.

It is not an unprimeable number, because it can be changed into a prime (16765531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2680 + ... + 6380.

It is an arithmetic number, because the mean of its divisors is an integer number (1266084).

Almost surely, 2^16765530 is an apocalyptic number.

16765530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16765530 is an abundant number, since it is smaller than the sum of its proper divisors (23749158).

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

16765530 is a wasteful number, since it uses less digits than its factorization.

16765530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 16765530 is about 4094.5732378357. The cubic root of 16765530 is about 255.9405481247.

The spelling of 16765530 in words is "sixteen million, seven hundred sixty-five thousand, five hundred thirty".