16520676 has 12 divisors (see below), whose sum is σ = 38548272. Its totient is φ = 5506888.

The previous prime is 16520653. The next prime is 16520681. The reversal of 16520676 is 67602561.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 688350 + ... + 688373.

It is an arithmetic number, because the mean of its divisors is an integer number (3212356).

Almost surely, 2^16520676 is an apocalyptic number.

It is an amenable number.

16520676 is an abundant number, since it is smaller than the sum of its proper divisors (22027596).

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

16520676 is a wasteful number, since it uses less digits than its factorization.

16520676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376730 (or 1376728 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 16520676 is about 4064.5634451931. The cubic root of 16520676 is about 254.6884622970.

The spelling of 16520676 in words is "sixteen million, five hundred twenty thousand, six hundred seventy-six".