320411656346 has 4 divisors (see below), whose sum is σ = 480617484522. Its totient is φ = 160205828172.

The previous prime is 320411656343. The next prime is 320411656351. The reversal of 320411656346 is 643656114023.

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

It can be written as a sum of positive squares in only one way, i.e., 216447327121 + 103964329225 = 465239^2 + 322435^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320411656343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80102914085 + ... + 80102914088.

Almost surely, 2^320411656346 is an apocalyptic number.

320411656346 is a deficient number, since it is larger than the sum of its proper divisors (160205828176).

320411656346 is a wasteful number, since it uses less digits than its factorization.

320411656346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160205828175.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 320411656346 in words is "three hundred twenty billion, four hundred eleven million, six hundred fifty-six thousand, three hundred forty-six".