320771377146 has 64 divisors (see below), whose sum is σ = 756800133120. Its totient is φ = 89539080960.

The previous prime is 320771377133. The next prime is 320771377189. The reversal of 320771377146 is 641773177023.

It is a super-2 number, since 2×320771377146² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320771377095 and 320771377104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2988676 + ... + 3094143.

It is an arithmetic number, because the mean of its divisors is an integer number (11825002080).

Almost surely, 2^320771377146 is an apocalyptic number.

320771377146 is an abundant number, since it is smaller than the sum of its proper divisors (436028755974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320771377146 is a wasteful number, since it uses less digits than its factorization.

320771377146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082899.

The product of its (nonzero) digits is 1037232, while the sum is 48.

The spelling of 320771377146 in words is "three hundred twenty billion, seven hundred seventy-one million, three hundred seventy-seven thousand, one hundred forty-six".