30195380616 has 128 divisors (see below), whose sum is σ = 80309698560. Its totient is φ = 9444038400.

The previous prime is 30195380573. The next prime is 30195380627. The reversal of 30195380616 is 61608359103.

It is a happy number.

It is a super-2 number, since 2×30195380616² (a number of 22 digits) contains 22 as substring.

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, 8559445 + ... + 8562971.

It is an arithmetic number, because the mean of its divisors is an integer number (627419520).

Almost surely, 2^30195380616 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 30195380616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40154849280).

30195380616 is an abundant number, since it is smaller than the sum of its proper divisors (50114317944).

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

30195380616 is a wasteful number, since it uses less digits than its factorization.

30195380616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915 (or 3911 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 30195380616 in words is "thirty billion, one hundred ninety-five million, three hundred eighty thousand, six hundred sixteen".