30665031016556 has 6 divisors (see below), whose sum is σ = 53663804278980. Its totient is φ = 15332515508276.

The previous prime is 30665031016541. The next prime is 30665031016591. The reversal of 30665031016556 is 65561013056603.

It is a happy number.

It is a super-2 number, since 2×30665031016556² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30665031016556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833128877066 + ... + 3833128877073.

It is an arithmetic number, because the mean of its divisors is an integer number (8943967379830).

Almost surely, 2^{30665031016556} is an apocalyptic number.

It is an amenable number.

30665031016556 is a deficient number, since it is larger than the sum of its proper divisors (22998773262424).

30665031016556 is a wasteful number, since it uses less digits than its factorization.

30665031016556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666257754143 (or 7666257754141 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 47.

The spelling of 30665031016556 in words is "thirty trillion, six hundred sixty-five billion, thirty-one million, sixteen thousand, five hundred fifty-six".