30661197714 has 96 divisors (see below), whose sum is σ = 78534144000. Its totient is φ = 8460223200.

The previous prime is 30661197713. The next prime is 30661197727. The reversal of 30661197714 is 41779116603.

It is a self number, because there is not a number n which added to its sum of digits gives 30661197714.

It is not an unprimeable number, because it can be changed into a prime (30661197713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1941229 + ... + 1956959.

It is an arithmetic number, because the mean of its divisors is an integer number (818064000).

Almost surely, 2^30661197714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30661197714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39267072000).

30661197714 is an abundant number, since it is smaller than the sum of its proper divisors (47872946286).

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

30661197714 is a wasteful number, since it uses less digits than its factorization.

30661197714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16276 (or 16273 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 30661197714 in words is "thirty billion, six hundred sixty-one million, one hundred ninety-seven thousand, seven hundred fourteen".