30647124664 has 32 divisors (see below), whose sum is σ = 61898760000. Its totient is φ = 14141365632.

The previous prime is 30647124631. The next prime is 30647124671. The reversal of 30647124664 is 46642174603.

It is a happy number.

It is a super-2 number, since 2×30647124664² (a number of 22 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 30647124664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418417 + ... + 486175.

It is an arithmetic number, because the mean of its divisors is an integer number (1934336250).

Almost surely, 2^30647124664 is an apocalyptic number.

It is an amenable number.

30647124664 is an abundant number, since it is smaller than the sum of its proper divisors (31251635336).

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

30647124664 is a wasteful number, since it uses less digits than its factorization.

30647124664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72127 (or 72123 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 30647124664 in words is "thirty billion, six hundred forty-seven million, one hundred twenty-four thousand, six hundred sixty-four".