16644654930 has 32 divisors (see below), whose sum is σ = 42049656000. Its totient is φ = 4204965312.

The previous prime is 16644654877. The next prime is 16644654931. The reversal of 16644654930 is 3945644661.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16644654930.

It is not an unprimeable number, because it can be changed into a prime (16644654931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14600005 + ... + 14601144.

It is an arithmetic number, because the mean of its divisors is an integer number (1314051750).

Almost surely, 2^16644654930 is an apocalyptic number.

16644654930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16644654930 is an abundant number, since it is smaller than the sum of its proper divisors (25405001070).

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

16644654930 is a wasteful number, since it uses less digits than its factorization.

16644654930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29201178.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 16644654930 in words is "sixteen billion, six hundred forty-four million, six hundred fifty-four thousand, nine hundred thirty".