16354219860 has 144 divisors (see below), whose sum is σ = 54155267712. Its totient is φ = 3961900800.

The previous prime is 16354219813. The next prime is 16354219867. The reversal of 16354219860 is 6891245361.

16354219860 is a `hidden beast` number, since 1 + 6 + 354 + 219 + 86 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16354219867) 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 47 ways as a sum of consecutive naturals, for example, 5663337 + ... + 5666223.

It is an arithmetic number, because the mean of its divisors is an integer number (376078248).

Almost surely, 2^16354219860 is an apocalyptic number.

16354219860 is a gapful number since it is divisible by the number (10) 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 16354219860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27077633856).

16354219860 is an abundant number, since it is smaller than the sum of its proper divisors (37801047852).

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

16354219860 is a wasteful number, since it uses less digits than its factorization.

16354219860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 16354219860 in words is "sixteen billion, three hundred fifty-four million, two hundred nineteen thousand, eight hundred sixty".