320166047 has 4 divisors (see below), whose sum is σ = 330494016. Its totient is φ = 309838080.

The previous prime is 320166031. The next prime is 320166053. The reversal of 320166047 is 740661023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740661023 = 41 ⋅18064903.

It is a cyclic number.

It is not a de Polignac number, because 320166047 - 2⁴ = 320166031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320166947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5163938 + ... + 5163999.

It is an arithmetic number, because the mean of its divisors is an integer number (82623504).

Almost surely, 2^320166047 is an apocalyptic number.

320166047 is a deficient number, since it is larger than the sum of its proper divisors (10327969).

320166047 is a wasteful number, since it uses less digits than its factorization.

320166047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327968.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 320166047 is about 17893.1843728275. The cubic root of 320166047 is about 684.1086650369.

The spelling of 320166047 in words is "three hundred twenty million, one hundred sixty-six thousand, forty-seven".