166132330 has 64 divisors (see below), whose sum is σ = 389733120. Its totient is φ = 49480704.

The previous prime is 166132321. The next prime is 166132361. The reversal of 166132330 is 33231661.

It is a junction number, because it is equal to n+sod(n) for n = 166132295 and 166132304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10101 + ... + 20839.

It is an arithmetic number, because the mean of its divisors is an integer number (6089580).

Almost surely, 2^166132330 is an apocalyptic number.

166132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166132330 is an abundant number, since it is smaller than the sum of its proper divisors (223600790).

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

166132330 is a wasteful number, since it uses less digits than its factorization.

166132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 166132330 is about 12889.2331036412. The cubic root of 166132330 is about 549.7324649260.

Adding to 166132330 its reverse (33231661), we get a palindrome (199363991).

It can be divided in two parts, 166 and 132330, that added together give a square (132496 = 364²).

The spelling of 166132330 in words is "one hundred sixty-six million, one hundred thirty-two thousand, three hundred thirty".