30698078066 has 16 divisors (see below), whose sum is σ = 48833072640. Its totient is φ = 14423250240.

The previous prime is 30698078063. The next prime is 30698078077. The reversal of 30698078066 is 66087089603.

It is a junction number, because it is equal to n+sod(n) for n = 30698077999 and 30698078017.

It is not an unprimeable number, because it can be changed into a prime (30698078063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693986 + ... + 736893.

It is an arithmetic number, because the mean of its divisors is an integer number (3052067040).

Almost surely, 2^30698078066 is an apocalyptic number.

30698078066 is a deficient number, since it is larger than the sum of its proper divisors (18134994574).

30698078066 is a wasteful number, since it uses less digits than its factorization.

30698078066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431529.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 30698078066 in words is "thirty billion, six hundred ninety-eight million, seventy-eight thousand, sixty-six".