166032645 has 8 divisors (see below), whose sum is σ = 265652256. Its totient is φ = 88550736.

The previous prime is 166032599. The next prime is 166032677. The reversal of 166032645 is 546230661.

166032645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 166032645 - 2⁹ = 166032133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5534407 + ... + 5534436.

It is an arithmetic number, because the mean of its divisors is an integer number (33206532).

Almost surely, 2^166032645 is an apocalyptic number.

166032645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166032645 is a deficient number, since it is larger than the sum of its proper divisors (99619611).

166032645 is a wasteful number, since it uses less digits than its factorization.

166032645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068851.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 166032645 is about 12885.3655361422. The cubic root of 166032645 is about 549.6224902549.

The spelling of 166032645 in words is "one hundred sixty-six million, thirty-two thousand, six hundred forty-five".