166068954 has 80 divisors (see below), whose sum is σ = 402703488. Its totient is φ = 50951808.

The previous prime is 166068943. The next prime is 166068997. The reversal of 166068954 is 459860661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 128797 + ... + 130079.

Almost surely, 2^166068954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166068954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201351744).

166068954 is an abundant number, since it is smaller than the sum of its proper divisors (236634534).

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

166068954 is a wasteful number, since it uses less digits than its factorization.

166068954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 166068954 is about 12886.7743830642. The cubic root of 166068954 is about 549.6625522328.

The spelling of 166068954 in words is "one hundred sixty-six million, sixty-eight thousand, nine hundred fifty-four".