166023030 has 32 divisors (see below), whose sum is σ = 405977184. Its totient is φ = 43437056.

The previous prime is 166022963. The next prime is 166023031. The reversal of 166023030 is 30320661.

It is a junction number, because it is equal to n+sod(n) for n = 166022988 and 166023006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166023031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50619 + ... + 53798.

It is an arithmetic number, because the mean of its divisors is an integer number (12686787).

Almost surely, 2^166023030 is an apocalyptic number.

166023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166023030 is an abundant number, since it is smaller than the sum of its proper divisors (239954154).

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

166023030 is a wasteful number, since it uses less digits than its factorization.

166023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104480.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 166023030 is about 12884.9924330595. The cubic root of 166023030 is about 549.6118804493.

Adding to 166023030 its reverse (30320661), we get a palindrome (196343691).

The spelling of 166023030 in words is "one hundred sixty-six million, twenty-three thousand, thirty".