30169668 has 12 divisors (see below), whose sum is σ = 70395920. Its totient is φ = 10056552.

The previous prime is 30169661. The next prime is 30169681. The reversal of 30169668 is 86696103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (30169661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257058 + ... + 1257081.

Almost surely, 2^30169668 is an apocalyptic number.

It is an amenable number.

30169668 is an abundant number, since it is smaller than the sum of its proper divisors (40226252).

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

30169668 is a wasteful number, since it uses less digits than its factorization.

30169668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514146 (or 2514144 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 30169668 is about 5492.6922360533. The cubic root of 30169668 is about 311.3079252202.

The spelling of 30169668 in words is "thirty million, one hundred sixty-nine thousand, six hundred sixty-eight".