320823066069 has 12 divisors (see below), whose sum is σ = 505539376992. Its totient is φ = 194438221800.

The previous prime is 320823066059. The next prime is 320823066079. The reversal of 320823066069 is 960660328023.

320823066069 is a `hidden beast` number, since 3 + 2 + 0 + 8 + 2 + 30 + 6 + 606 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (320823066059) and next prime (320823066079).

It is not a de Polignac number, because 320823066069 - 2¹² = 320823061973 is a prime.

It is a super-2 number, since 2×320823066069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320823066059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1620318417 + ... + 1620318614.

It is an arithmetic number, because the mean of its divisors is an integer number (42128281416).

Almost surely, 2^320823066069 is an apocalyptic number.

It is an amenable number.

320823066069 is a deficient number, since it is larger than the sum of its proper divisors (184716310923).

320823066069 is a wasteful number, since it uses less digits than its factorization.

320823066069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240637048 (or 3240637045 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 320823066069 in words is "three hundred twenty billion, eight hundred twenty-three million, sixty-six thousand, sixty-nine".