166632430 has 8 divisors (see below), whose sum is σ = 299938392. Its totient is φ = 66652968.

The previous prime is 166632391. The next prime is 166632443. The reversal of 166632430 is 34236661.

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 = 166632392 and 166632401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8331612 + ... + 8331631.

It is an arithmetic number, because the mean of its divisors is an integer number (37492299).

Almost surely, 2^166632430 is an apocalyptic number.

166632430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166632430 is a deficient number, since it is larger than the sum of its proper divisors (133305962).

166632430 is a wasteful number, since it uses less digits than its factorization.

166632430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16663250.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 166632430 is about 12908.6184388570. The cubic root of 166632430 is about 550.2835232410.

The spelling of 166632430 in words is "one hundred sixty-six million, six hundred thirty-two thousand, four hundred thirty".