30521162652216 has 16 divisors (see below), whose sum is σ = 76302906630600. Its totient is φ = 10173720884064.

The previous prime is 30521162652209. The next prime is 30521162652287. The reversal of 30521162652216 is 61225626112503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635857555231 + ... + 635857555278.

Almost surely, 2^{30521162652216} is an apocalyptic number.

It is an amenable number.

30521162652216 is an abundant number, since it is smaller than the sum of its proper divisors (45781743978384).

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

30521162652216 is a wasteful number, since it uses less digits than its factorization.

30521162652216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271715110518 (or 1271715110514 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 30521162652216 its reverse (61225626112503), we get a palindrome (91746788764719).

The spelling of 30521162652216 in words is "thirty trillion, five hundred twenty-one billion, one hundred sixty-two million, six hundred fifty-two thousand, two hundred sixteen".