320154060252160 has 88 divisors (see below), whose sum is σ = 768117578944320. Its totient is φ = 128041111609344.

The previous prime is 320154060252137. The next prime is 320154060252179. The reversal of 320154060252160 is 61252060451023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26979831 + ... + 36989449.

It is an arithmetic number, because the mean of its divisors is an integer number (8728608851640).

Almost surely, 2^{320154060252160} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320154060252160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384058789472160).

320154060252160 is an abundant number, since it is smaller than the sum of its proper divisors (447963518692160).

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

320154060252160 is a wasteful number, since it uses less digits than its factorization.

320154060252160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10015891 (or 10015873 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 320154060252160 in words is "three hundred twenty trillion, one hundred fifty-four billion, sixty million, two hundred fifty-two thousand, one hundred sixty".