166154296 has 144 divisors (see below), whose sum is σ = 414832320. Its totient is φ = 62092800.

The previous prime is 166154291. The next prime is 166154371. The reversal of 166154296 is 692451661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166154291) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1470336 + ... + 1470448.

It is an arithmetic number, because the mean of its divisors is an integer number (2880780).

Almost surely, 2^166154296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166154296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207416160).

166154296 is an abundant number, since it is smaller than the sum of its proper divisors (248678024).

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

166154296 is a wasteful number, since it uses less digits than its factorization.

166154296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 164 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 166154296 is about 12890.0851820304. The cubic root of 166154296 is about 549.7566923821.

The spelling of 166154296 in words is "one hundred sixty-six million, one hundred fifty-four thousand, two hundred ninety-six".