16479765 has 12 divisors (see below), whose sum is σ = 28565004. Its totient is φ = 8789184.

The previous prime is 16479731. The next prime is 16479773. The reversal of 16479765 is 56797461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8678916 + 7800849 = 2946^2 + 2793^2 .

It is not a de Polignac number, because 16479765 - 2⁸ = 16479509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 366217 = 16479765 / (1 + 6 + 4 + 7 + 9 + 7 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 16479765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183064 + ... + 183153.

It is an arithmetic number, because the mean of its divisors is an integer number (2380417).

Almost surely, 2^16479765 is an apocalyptic number.

16479765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16479765 is a deficient number, since it is larger than the sum of its proper divisors (12085239).

16479765 is a wasteful number, since it uses less digits than its factorization.

16479765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366228 (or 366225 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 16479765 is about 4059.5276818862. The cubic root of 16479765 is about 254.4780558067.

The spelling of 16479765 in words is "sixteen million, four hundred seventy-nine thousand, seven hundred sixty-five".