30664367916 has 288 divisors, whose sum is σ = 95336898048. Its totient is φ = 7483207680.

The previous prime is 30664367893. The next prime is 30664367917. The reversal of 30664367916 is 61976346603.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (30664367917) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14720211 + ... + 14722293.

It is an arithmetic number, because the mean of its divisors is an integer number (331030896).

Almost surely, 2^30664367916 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 30664367916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47668449024).

30664367916 is an abundant number, since it is smaller than the sum of its proper divisors (64672530132).

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

30664367916 is a wasteful number, since it uses less digits than its factorization.

30664367916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 51.

The spelling of 30664367916 in words is "thirty billion, six hundred sixty-four million, three hundred sixty-seven thousand, nine hundred sixteen".