16220930544 has 480 divisors, whose sum is σ = 58571362304. Its totient is φ = 4075868160.

The previous prime is 16220930543. The next prime is 16220930567. The reversal of 16220930544 is 44503902261.

It is a happy number.

16220930544 is a `hidden beast` number, since 1 + 6 + 2 + 20 + 93 + 0 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16220930499 and 16220930508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220930543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29654079 + ... + 29654625.

Almost surely, 2^16220930544 is an apocalyptic number.

16220930544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16220930544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29285681152).

16220930544 is an abundant number, since it is smaller than the sum of its proper divisors (42350431760).

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

16220930544 is a wasteful number, since it uses less digits than its factorization.

16220930544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 16220930544 in words is "sixteen billion, two hundred twenty million, nine hundred thirty thousand, five hundred forty-four".