30580961016 has 64 divisors (see below), whose sum is σ = 80586000000. Its totient is φ = 9643971456.

The previous prime is 30580960999. The next prime is 30580961017. The reversal of 30580961016 is 61016908503.

It is a super-2 number, since 2×30580961016² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30580961017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291610 + ... + 382358.

It is an arithmetic number, because the mean of its divisors is an integer number (1259156250).

Almost surely, 2^30580961016 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 30580961016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40293000000).

30580961016 is an abundant number, since it is smaller than the sum of its proper divisors (50005038984).

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

30580961016 is a wasteful number, since it uses less digits than its factorization.

30580961016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91516 (or 91512 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 30580961016 in words is "thirty billion, five hundred eighty million, nine hundred sixty-one thousand, sixteen".