320674744168 has 8 divisors (see below), whose sum is σ = 601265145330. Its totient is φ = 160337372080.

The previous prime is 320674744129. The next prime is 320674744207. The reversal of 320674744168 is 861447476023.

It is an interprime number because it is at equal distance from previous prime (320674744129) and next prime (320674744207).

It can be written as a sum of positive squares in only one way, i.e., 318929008644 + 1745735524 = 564738^2 + 41782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20042171503 + ... + 20042171518.

Almost surely, 2^320674744168 is an apocalyptic number.

It is an amenable number.

320674744168 is a deficient number, since it is larger than the sum of its proper divisors (280590401162).

320674744168 is a wasteful number, since it uses less digits than its factorization.

320674744168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40084343027 (or 40084343023 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 52.

The spelling of 320674744168 in words is "three hundred twenty billion, six hundred seventy-four million, seven hundred forty-four thousand, one hundred sixty-eight".