30894917999616 has 220 divisors, whose sum is σ = 100645383267000. Its totient is φ = 9362096087040.

The previous prime is 30894917999609. The next prime is 30894917999629. The reversal of 30894917999616 is 61699971949803.

It is a happy number.

30894917999616 is a `hidden beast` number, since 30 + 8 + 9 + 491 + 7 + 9 + 9 + 96 + 1 + 6 = 666.

It is a super-2 number, since 2×30894917999616² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16018491 + ... + 17843258.

It is an arithmetic number, because the mean of its divisors is an integer number (457479014850).

Almost surely, 2^{30894917999616} is an apocalyptic number.

30894917999616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30894917999616 is an abundant number, since it is smaller than the sum of its proper divisors (69750465267384).

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

30894917999616 is a wasteful number, since it uses less digits than its factorization.

30894917999616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33861792 (or 33861765 counting only the distinct ones).

The product of its (nonzero) digits is 1428513408, while the sum is 81.

The spelling of 30894917999616 in words is "thirty trillion, eight hundred ninety-four billion, nine hundred seventeen million, nine hundred ninety-nine thousand, six hundred sixteen".