30216147021656 has 16 divisors (see below), whose sum is σ = 56694321363240. Its totient is φ = 15097661324800.

The previous prime is 30216147021653. The next prime is 30216147021889. The reversal of 30216147021656 is 65612074161203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30216147021653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301510921 + ... + 1301534136.

Almost surely, 2^{30216147021656} is an apocalyptic number.

It is an amenable number.

30216147021656 is a deficient number, since it is larger than the sum of its proper divisors (26478174341584).

30216147021656 is a wasteful number, since it uses less digits than its factorization.

30216147021656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603046514 (or 2603046510 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 30216147021656 in words is "thirty trillion, two hundred sixteen billion, one hundred forty-seven million, twenty-one thousand, six hundred fifty-six".