16219980630 has 48 divisors (see below), whose sum is σ = 48196515744. Its totient is φ = 3707424000.

The previous prime is 16219980589. The next prime is 16219980713. The reversal of 16219980630 is 3608991261.

It is a happy number.

16219980630 is a `hidden beast` number, since 1 + 6 + 2 + 1 + 9 + 9 + 8 + 0 + 630 = 666.

16219980630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12872371 + ... + 12873630.

It is an arithmetic number, because the mean of its divisors is an integer number (1004094078).

Almost surely, 2^16219980630 is an apocalyptic number.

16219980630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16219980630 is an abundant number, since it is smaller than the sum of its proper divisors (31976535114).

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

16219980630 is a wasteful number, since it uses less digits than its factorization.

16219980630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25746021 (or 25746018 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 16219980630 in words is "sixteen billion, two hundred nineteen million, nine hundred eighty thousand, six hundred thirty".