166994352 has 240 divisors, whose sum is σ = 583534080. Its totient is φ = 45638208.

The previous prime is 166994299. The next prime is 166994371. The reversal of 166994352 is 253499661.

It is a super-2 number, since 2×166994352² = 55774227199799808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166994298 and 166994307.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7260613 + ... + 7260635.

It is an arithmetic number, because the mean of its divisors is an integer number (2431392).

Almost surely, 2^166994352 is an apocalyptic number.

166994352 is a gapful number since it is divisible by the number (12) 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 166994352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291767040).

166994352 is an abundant number, since it is smaller than the sum of its proper divisors (416539728).

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

166994352 is an frugal number, since it uses more digits than its factorization.

166994352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 35 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 166994352 is about 12922.6294537915. The cubic root of 166994352 is about 550.6816364152.

The spelling of 166994352 in words is "one hundred sixty-six million, nine hundred ninety-four thousand, three hundred fifty-two".