30188068552 has 16 divisors (see below), whose sum is σ = 56619794160. Its totient is φ = 15089456784.

The previous prime is 30188068541. The next prime is 30188068591. The reversal of 30188068552 is 25586088103.

It is a super-2 number, since 2×30188068552² (a number of 22 digits) contains 22 as substring.

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, 544078 + ... + 596989.

It is an arithmetic number, because the mean of its divisors is an integer number (3538737135).

Almost surely, 2^30188068552 is an apocalyptic number.

It is an amenable number.

30188068552 is a deficient number, since it is larger than the sum of its proper divisors (26431725608).

30188068552 is a wasteful number, since it uses less digits than its factorization.

30188068552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144380 (or 1144376 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 30188068552 in words is "thirty billion, one hundred eighty-eight million, sixty-eight thousand, five hundred fifty-two".