16777065 has 16 divisors (see below), whose sum is σ = 27096768. Its totient is φ = 8863296.

The previous prime is 16777049. The next prime is 16777099. The reversal of 16777065 is 56077761.

It is not a de Polignac number, because 16777065 - 2⁴ = 16777049 is a prime.

It is a nialpdrome in base 8.

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, 3622 + ... + 6831.

It is an arithmetic number, because the mean of its divisors is an integer number (1693548).

Almost surely, 2^16777065 is an apocalyptic number.

16777065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16777065 is a deficient number, since it is larger than the sum of its proper divisors (10319703).

16777065 is a wasteful number, since it uses less digits than its factorization.

16777065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 16777065 is about 4095.9815673413. The cubic root of 16777065 is about 255.9992319720. Note that the first 3 decimals are identical.

The spelling of 16777065 in words is "sixteen million, seven hundred seventy-seven thousand, sixty-five".