16546331004 has 96 divisors (see below), whose sum is σ = 44975433216. Its totient is φ = 4637122560.

The previous prime is 16546330961. The next prime is 16546331033. The reversal of 16546331004 is 40013364561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911739 + ... + 929709.

It is an arithmetic number, because the mean of its divisors is an integer number (468494096).

Almost surely, 2^16546331004 is an apocalyptic number.

16546331004 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 16546331004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22487716608).

16546331004 is an abundant number, since it is smaller than the sum of its proper divisors (28429102212).

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

16546331004 is a wasteful number, since it uses less digits than its factorization.

16546331004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18195 (or 18193 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 16546331004 its reverse (40013364561), we get a palindrome (56559695565).

The spelling of 16546331004 in words is "sixteen billion, five hundred forty-six million, three hundred thirty-one thousand, four".