166469304320 has 320 divisors, whose sum is σ = 456608275200. Its totient is φ = 57671680000.

The previous prime is 166469304301. The next prime is 166469304341. The reversal of 166469304320 is 23403964661.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663224195 + ... + 663224445.

It is an arithmetic number, because the mean of its divisors is an integer number (1426900860).

Almost surely, 2^166469304320 is an apocalyptic number.

166469304320 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 166469304320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228304137600).

166469304320 is an abundant number, since it is smaller than the sum of its proper divisors (290138970880).

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

166469304320 is an frugal number, since it uses more digits than its factorization.

166469304320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 166469304320 in words is "one hundred sixty-six billion, four hundred sixty-nine million, three hundred four thousand, three hundred twenty".