30061660356 has 192 divisors, whose sum is σ = 96285736960. Its totient is φ = 7898394240.

The previous prime is 30061660351. The next prime is 30061660373. The reversal of 30061660356 is 65306616003.

It is a happy number.

30061660356 is a `hidden beast` number, since 3 + 0 + 0 + 616 + 6 + 0 + 35 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30061660356.

It is not an unprimeable number, because it can be changed into a prime (30061660351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2657745 + ... + 2669031.

Almost surely, 2^30061660356 is an apocalyptic number.

30061660356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30061660356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48142868480).

30061660356 is an abundant number, since it is smaller than the sum of its proper divisors (66224076604).

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

30061660356 is a wasteful number, since it uses less digits than its factorization.

30061660356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11591 (or 11583 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 30061660356 in words is "thirty billion, sixty-one million, six hundred sixty thousand, three hundred fifty-six".