30172860160 has 72 divisors (see below), whose sum is σ = 72374279040. Its totient is φ = 12052303872.

The previous prime is 30172860143. The next prime is 30172860169. The reversal of 30172860160 is 6106827103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30172860169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922161 + ... + 954319.

It is an arithmetic number, because the mean of its divisors is an integer number (1005198320).

Almost surely, 2^30172860160 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 30172860160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36187139520).

30172860160 is an abundant number, since it is smaller than the sum of its proper divisors (42201418880).

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

30172860160 is an equidigital number, since it uses as much as digits as its factorization.

30172860160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32913 (or 32899 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 30172860160 in words is "thirty billion, one hundred seventy-two million, eight hundred sixty thousand, one hundred sixty".