166670837760 has 384 divisors, whose sum is σ = 617166950400. Its totient is φ = 37610127360.

The previous prime is 166670837737. The next prime is 166670837761. The reversal of 166670837760 is 67738076661.

It is a happy number.

166670837760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 166670837760.

It is not an unprimeable number, because it can be changed into a prime (166670837761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16983255 + ... + 16993065.

It is an arithmetic number, because the mean of its divisors is an integer number (1607205600).

Almost surely, 2^166670837760 is an apocalyptic number.

166670837760 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 166670837760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308583475200).

166670837760 is an abundant number, since it is smaller than the sum of its proper divisors (450496112640).

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

166670837760 is an equidigital number, since it uses as much as digits as its factorization.

166670837760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927 (or 9907 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 57.

The spelling of 166670837760 in words is "one hundred sixty-six billion, six hundred seventy million, eight hundred thirty-seven thousand, seven hundred sixty".