16479761 has 4 divisors (see below), whose sum is σ = 16505652. Its totient is φ = 16453872.

The previous prime is 16479731. The next prime is 16479773. The reversal of 16479761 is 16797461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8300161 + 8179600 = 2881^2 + 2860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16479761 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16479721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11966 + ... + 13271.

It is an arithmetic number, because the mean of its divisors is an integer number (4126413).

Almost surely, 2^16479761 is an apocalyptic number.

It is an amenable number.

16479761 is a deficient number, since it is larger than the sum of its proper divisors (25891).

16479761 is an equidigital number, since it uses as much as digits as its factorization.

16479761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25890.

The product of its digits is 63504, while the sum is 41.

The square root of 16479761 is about 4059.5271892180. The cubic root of 16479761 is about 254.4780352176.

The spelling of 16479761 in words is "sixteen million, four hundred seventy-nine thousand, seven hundred sixty-one".