16379505 has 12 divisors (see below), whose sum is σ = 28391220. Its totient is φ = 8735712.

The previous prime is 16379479. The next prime is 16379509. The reversal of 16379505 is 50597361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6036849 + 10342656 = 2457^2 + 3216^2 .

It is not a de Polignac number, because 16379505 - 2¹¹ = 16377457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16379505.

It is not an unprimeable number, because it can be changed into a prime (16379509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181950 + ... + 182039.

It is an arithmetic number, because the mean of its divisors is an integer number (2365935).

Almost surely, 2^16379505 is an apocalyptic number.

16379505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16379505 is a deficient number, since it is larger than the sum of its proper divisors (12011715).

16379505 is a wasteful number, since it uses less digits than its factorization.

16379505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364000 (or 363997 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 16379505 is about 4047.1601154390. The cubic root of 16379505 is about 253.9609390820.

The spelling of 16379505 in words is "sixteen million, three hundred seventy-nine thousand, five hundred five".