30215183664 has 160 divisors (see below), whose sum is σ = 81640488960. Its totient is φ = 9618739200.

The previous prime is 30215183639. The next prime is 30215183671. The reversal of 30215183664 is 46638151203.

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 31 ways as a sum of consecutive naturals, for example, 53101972 + ... + 53102540.

It is an arithmetic number, because the mean of its divisors is an integer number (510253056).

Almost surely, 2^30215183664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30215183664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40820244480).

30215183664 is an abundant number, since it is smaller than the sum of its proper divisors (51425305296).

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

30215183664 is a wasteful number, since it uses less digits than its factorization.

30215183664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 30215183664 in words is "thirty billion, two hundred fifteen million, one hundred eighty-three thousand, six hundred sixty-four".