16769538 has 16 divisors (see below), whose sum is σ = 37265760. Its totient is φ = 5589828.

The previous prime is 16769537. The next prime is 16769551. The reversal of 16769538 is 83596761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16769493 and 16769502.

It is not an unprimeable number, because it can be changed into a prime (16769537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155220 + ... + 155327.

It is an arithmetic number, because the mean of its divisors is an integer number (2329110).

Almost surely, 2^16769538 is an apocalyptic number.

16769538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16769538 is an abundant number, since it is smaller than the sum of its proper divisors (20496222).

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

16769538 is a wasteful number, since it uses less digits than its factorization.

16769538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310558 (or 310552 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 16769538 is about 4095.0626368836. The cubic root of 16769538 is about 255.9609417137.

The spelling of 16769538 in words is "sixteen million, seven hundred sixty-nine thousand, five hundred thirty-eight".