30689867164 has 24 divisors (see below), whose sum is σ = 58607410176. Its totient is φ = 13945734000.

The previous prime is 30689867093. The next prime is 30689867179. The reversal of 30689867164 is 46176898603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30689867099 and 30689867108.

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, 44869 + ... + 251779.

It is an arithmetic number, because the mean of its divisors is an integer number (2441975424).

Almost surely, 2^30689867164 is an apocalyptic number.

It is an amenable number.

30689867164 is a deficient number, since it is larger than the sum of its proper divisors (27917543012).

30689867164 is a wasteful number, since it uses less digits than its factorization.

30689867164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210297 (or 210295 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 30689867164 in words is "thirty billion, six hundred eighty-nine million, eight hundred sixty-seven thousand, one hundred sixty-four".