166059328 has 14 divisors (see below), whose sum is σ = 329524106. Its totient is φ = 83029632.

The previous prime is 166059277. The next prime is 166059329. The reversal of 166059328 is 823950661.

166059328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 106337344 + 59721984 = 10312^2 + 7728^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166059329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1297275 + ... + 1297402.

Almost surely, 2^166059328 is an apocalyptic number.

It is an amenable number.

166059328 is a deficient number, since it is larger than the sum of its proper divisors (163464778).

166059328 is an equidigital number, since it uses as much as digits as its factorization.

166059328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594689 (or 2594679 counting only the distinct ones).

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

The square root of 166059328 is about 12886.4008939657. The cubic root of 166059328 is about 549.6519318372.

The spelling of 166059328 in words is "one hundred sixty-six million, fifty-nine thousand, three hundred twenty-eight".