166233230100 has 1080 divisors, whose sum is σ = 675000672192. Its totient is φ = 35155814400.

The previous prime is 166233230081. The next prime is 166233230113. The reversal of 166233230100 is 1032332661.

It is a happy number.

166233230100 is a `hidden beast` number, since 1 + 6 + 623 + 3 + 2 + 30 + 1 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 359 ways as a sum of consecutive naturals, for example, 479058127 + ... + 479058473.

Almost surely, 2^166233230100 is an apocalyptic number.

166233230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166233230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337500336096).

166233230100 is an abundant number, since it is smaller than the sum of its proper divisors (508767442092).

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

166233230100 is a wasteful number, since it uses less digits than its factorization.

166233230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 166233230100 its reverse (1032332661), we get a palindrome (167265562761).

The spelling of 166233230100 in words is "one hundred sixty-six billion, two hundred thirty-three million, two hundred thirty thousand, one hundred".