16416637528890 has 64 divisors (see below), whose sum is σ = 40093599024000. Its totient is φ = 4300791508224.

The previous prime is 16416637528807. The next prime is 16416637528903. The reversal of 16416637528890 is 9882573661461.

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, 252117 + ... + 5735576.

It is an arithmetic number, because the mean of its divisors is an integer number (626462484750).

It is a 1-persistent number, because it is pandigital, but 2⋅16416637528890 = 32833275057780 is not.

Almost surely, 2^{16416637528890} is an apocalyptic number.

16416637528890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16416637528890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20046799512000).

16416637528890 is an abundant number, since it is smaller than the sum of its proper divisors (23676961495110).

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

16416637528890 is a wasteful number, since it uses less digits than its factorization.

16416637528890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989311.

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 16416637528890 in words is "sixteen trillion, four hundred sixteen billion, six hundred thirty-seven million, five hundred twenty-eight thousand, eight hundred ninety".