166612430 has 8 divisors (see below), whose sum is σ = 299902392. Its totient is φ = 66644968.

The previous prime is 166612429. The next prime is 166612441. The reversal of 166612430 is 34216661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 166612393 and 166612402.

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 3 ways as a sum of consecutive naturals, for example, 8330612 + ... + 8330631.

It is an arithmetic number, because the mean of its divisors is an integer number (37487799).

Almost surely, 2^166612430 is an apocalyptic number.

166612430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166612430 is a deficient number, since it is larger than the sum of its proper divisors (133289962).

166612430 is a wasteful number, since it uses less digits than its factorization.

166612430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16661250.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 166612430 is about 12907.8437393703. The cubic root of 166612430 is about 550.2615064967.

It can be divided in two parts, 16661 and 2430, that added together give a palindrome (19091).

The spelling of 166612430 in words is "one hundred sixty-six million, six hundred twelve thousand, four hundred thirty".