30161766 has 8 divisors (see below), whose sum is σ = 60323544. Its totient is φ = 10053920.

The previous prime is 30161737. The next prime is 30161767. The reversal of 30161766 is 66716103.

It is a sphenic number, since it is the product of 3 distinct primes.

30161766 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30161767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513475 + ... + 2513486.

It is an arithmetic number, because the mean of its divisors is an integer number (7540443).

Almost surely, 2^30161766 is an apocalyptic number.

30161766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30161766 is a wasteful number, since it uses less digits than its factorization.

30161766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026966.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 30161766 is about 5491.9728695615. The cubic root of 30161766 is about 311.2807437253.

Adding to 30161766 its reverse (66716103), we get a palindrome (96877869).

The spelling of 30161766 in words is "thirty million, one hundred sixty-one thousand, seven hundred sixty-six".