166432606 has 4 divisors (see below), whose sum is σ = 249648912. Its totient is φ = 83216302.

The previous prime is 166432603. The next prime is 166432621. The reversal of 166432606 is 606234661.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166432603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41608150 + ... + 41608153.

It is an arithmetic number, because the mean of its divisors is an integer number (62412228).

Almost surely, 2^166432606 is an apocalyptic number.

166432606 is a deficient number, since it is larger than the sum of its proper divisors (83216306).

166432606 is an equidigital number, since it uses as much as digits as its factorization.

166432606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83216305.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 166432606 is about 12900.8761717955. The cubic root of 166432606 is about 550.0634703611.

The spelling of 166432606 in words is "one hundred sixty-six million, four hundred thirty-two thousand, six hundred six".