538845066 has 12 divisors (see below), whose sum is σ = 1167497682. Its totient is φ = 179615016.

The previous prime is 538845061. The next prime is 538845067. The reversal of 538845066 is 660548835.

538845066 is a `hidden beast` number, since 538 + 8 + 4 + 50 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 497513025 + 41332041 = 22305^2 + 6429^2 .

It is not an unprimeable number, because it can be changed into a prime (538845061) 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 in 5 ways as a sum of consecutive naturals, for example, 14967901 + ... + 14967936.

Almost surely, 2^538845066 is an apocalyptic number.

538845066 is an abundant number, since it is smaller than the sum of its proper divisors (628652616).

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

538845066 is a wasteful number, since it uses less digits than its factorization.

538845066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29935845 (or 29935842 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 538845066 is about 23213.0365527649. The cubic root of 538845066 is about 813.7443200068.

The spelling of 538845066 in words is "five hundred thirty-eight million, eight hundred forty-five thousand, sixty-six".