16670441844 has 240 divisors, whose sum is σ = 53548830720. Its totient is φ = 4415757120.

The previous prime is 16670441839. The next prime is 16670441857. The reversal of 16670441844 is 44814407661.

16670441844 is a `hidden beast` number, since 1 + 66 + 70 + 441 + 84 + 4 = 666.

It is a super-2 number, since 2×16670441844² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16670441844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2021209 + ... + 2029439.

It is an arithmetic number, because the mean of its divisors is an integer number (223120128).

Almost surely, 2^16670441844 is an apocalyptic number.

16670441844 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 16670441844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26774415360).

16670441844 is an abundant number, since it is smaller than the sum of its proper divisors (36878388876).

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

16670441844 is a wasteful number, since it uses less digits than its factorization.

16670441844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8320 (or 8309 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 16670441844 in words is "sixteen billion, six hundred seventy million, four hundred forty-one thousand, eight hundred forty-four".