16769864 has 8 divisors (see below), whose sum is σ = 31443510. Its totient is φ = 8384928.

The previous prime is 16769849. The next prime is 16769867. The reversal of 16769864 is 46896761.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16467364 + 302500 = 4058^2 + 550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (16769867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048109 + ... + 1048124.

Almost surely, 2^16769864 is an apocalyptic number.

It is an amenable number.

16769864 is a deficient number, since it is larger than the sum of its proper divisors (14673646).

16769864 is a wasteful number, since it uses less digits than its factorization.

16769864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096239 (or 2096235 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 16769864 is about 4095.1024407211. The cubic root of 16769864 is about 255.9626003307.

The spelling of 16769864 in words is "sixteen million, seven hundred sixty-nine thousand, eight hundred sixty-four".