30166639068 has 24 divisors (see below), whose sum is σ = 70399331968. Its totient is φ = 10054045296.

The previous prime is 30166639067. The next prime is 30166639091. The reversal of 30166639068 is 86093666103.

It is a super-2 number, since 2×30166639068² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30166639067) 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, 102346 + ... + 266097.

Almost surely, 2^30166639068 is an apocalyptic number.

It is an amenable number.

30166639068 is an abundant number, since it is smaller than the sum of its proper divisors (40232692900).

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

30166639068 is a wasteful number, since it uses less digits than its factorization.

30166639068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375273 (or 375271 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 30166639068 in words is "thirty billion, one hundred sixty-six million, six hundred thirty-nine thousand, sixty-eight".