16630980 has 24 divisors (see below), whose sum is σ = 46566912. Its totient is φ = 4434912.

The previous prime is 16630967. The next prime is 16630987. The reversal of 16630980 is 8903661.

It is not an unprimeable number, because it can be changed into a prime (16630987) 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, 138532 + ... + 138651.

It is an arithmetic number, because the mean of its divisors is an integer number (1940288).

Almost surely, 2^16630980 is an apocalyptic number.

16630980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16630980 is an abundant number, since it is smaller than the sum of its proper divisors (29935932).

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

16630980 is a wasteful number, since it uses less digits than its factorization.

16630980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277195 (or 277193 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 16630980 is about 4078.1098562937. The cubic root of 16630980 is about 255.2540336577.

The spelling of 16630980 in words is "sixteen million, six hundred thirty thousand, nine hundred eighty".