30166456 has 8 divisors (see below), whose sum is σ = 56562120. Its totient is φ = 15083224.

The previous prime is 30166453. The next prime is 30166463. The reversal of 30166456 is 65466103.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30166453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1885396 + ... + 1885411.

It is an arithmetic number, because the mean of its divisors is an integer number (7070265).

Almost surely, 2^30166456 is an apocalyptic number.

It is an amenable number.

30166456 is a deficient number, since it is larger than the sum of its proper divisors (26395664).

30166456 is a wasteful number, since it uses less digits than its factorization.

30166456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770813 (or 3770809 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 30166456 is about 5492.3998397786. The cubic root of 30166456 is about 311.2968770758.

The spelling of 30166456 in words is "thirty million, one hundred sixty-six thousand, four hundred fifty-six".