166047045 has 8 divisors (see below), whose sum is σ = 265675296. Its totient is φ = 88558416.

The previous prime is 166047043. The next prime is 166047053. The reversal of 166047045 is 540740661.

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

It is not a de Polignac number, because 166047045 - 2¹ = 166047043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166046997 and 166047015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166047043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5534887 + ... + 5534916.

It is an arithmetic number, because the mean of its divisors is an integer number (33209412).

Almost surely, 2^166047045 is an apocalyptic number.

166047045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166047045 is a deficient number, since it is larger than the sum of its proper divisors (99628251).

166047045 is a wasteful number, since it uses less digits than its factorization.

166047045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11069811.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 166047045 is about 12885.9242974650. The cubic root of 166047045 is about 549.6383793693.

The spelling of 166047045 in words is "one hundred sixty-six million, forty-seven thousand, forty-five".