30356160520 has 96 divisors (see below), whose sum is σ = 79504637400. Its totient is φ = 10401011712.

The previous prime is 30356160487. The next prime is 30356160539. The reversal of 30356160520 is 2506165303.

It can be written as a sum of positive squares in 4 ways, for example, as 22721944644 + 7634215876 = 150738^2 + 87374^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3666946 + ... + 3675214.

Almost surely, 2^30356160520 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 30356160520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39752318700).

30356160520 is an abundant number, since it is smaller than the sum of its proper divisors (49148476880).

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

30356160520 is a wasteful number, since it uses less digits than its factorization.

30356160520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10167 (or 10156 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 30356160520 in words is "thirty billion, three hundred fifty-six million, one hundred sixty thousand, five hundred twenty".