320161206277 has 8 divisors (see below), whose sum is σ = 354051247680. Its totient is φ = 287068577760.

The previous prime is 320161206259. The next prime is 320161206341. The reversal of 320161206277 is 772602161023.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 320161206277 - 2²⁷ = 320026988549 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 (320161206247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199352377 + ... + 199353982.

It is an arithmetic number, because the mean of its divisors is an integer number (44256405960).

Almost surely, 2^320161206277 is an apocalyptic number.

It is an amenable number.

320161206277 is a deficient number, since it is larger than the sum of its proper divisors (33890041403).

320161206277 is a wasteful number, since it uses less digits than its factorization.

320161206277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398706443.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 320161206277 in words is "three hundred twenty billion, one hundred sixty-one million, two hundred six thousand, two hundred seventy-seven".