305130061516 has 96 divisors (see below), whose sum is σ = 669145421952. Its totient is φ = 118775255040.

The previous prime is 305130061507. The next prime is 305130061529. The reversal of 305130061516 is 615160031503.

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, 1439770 + ... + 1638046.

It is an arithmetic number, because the mean of its divisors is an integer number (6970264812).

Almost surely, 2^305130061516 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 305130061516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334572710976).

305130061516 is an abundant number, since it is smaller than the sum of its proper divisors (364015360436).

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

305130061516 is a wasteful number, since it uses less digits than its factorization.

305130061516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198419 (or 198417 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 305130061516 in words is "three hundred five billion, one hundred thirty million, sixty-one thousand, five hundred sixteen".