16168418082 has 48 divisors (see below), whose sum is σ = 36442224000. Its totient is φ = 5174528352.

The previous prime is 16168418051. The next prime is 16168418083. The reversal of 16168418082 is 28081486161.

It is a super-2 number, since 2×16168418082² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16168418083) 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 23 ways as a sum of consecutive naturals, for example, 6919 + ... + 179957.

It is an arithmetic number, because the mean of its divisors is an integer number (759213000).

Almost surely, 2^16168418082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16168418082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18221112000).

16168418082 is an abundant number, since it is smaller than the sum of its proper divisors (20273805918).

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

16168418082 is a wasteful number, since it uses less digits than its factorization.

16168418082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173255 (or 173252 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 16168418082 in words is "sixteen billion, one hundred sixty-eight million, four hundred eighteen thousand, eighty-two".