30566161 has 8 divisors (see below), whose sum is σ = 31217760. Its totient is φ = 29921472.

The previous prime is 30566101. The next prime is 30566171. The reversal of 30566161 is 16166503.

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

It is a cyclic number.

It is not a de Polignac number, because 30566161 - 2⁹ = 30565649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30566101) 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, 7750 + ... + 11008.

It is an arithmetic number, because the mean of its divisors is an integer number (3902220).

Almost surely, 2^30566161 is an apocalyptic number.

It is an amenable number.

30566161 is a deficient number, since it is larger than the sum of its proper divisors (651599).

30566161 is a wasteful number, since it uses less digits than its factorization.

30566161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 30566161 is about 5528.6671992443. The cubic root of 30566161 is about 312.6657416262.

It can be divided in two parts, 305 and 66161, that added together give a palindrome (66466).

The spelling of 30566161 in words is "thirty million, five hundred sixty-six thousand, one hundred sixty-one".