66042150 has 24 divisors (see below), whose sum is σ = 163784904. Its totient is φ = 17611200.

The previous prime is 66042139. The next prime is 66042167. The reversal of 66042150 is 5124066.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66042150.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219991 + ... + 220290.

It is an arithmetic number, because the mean of its divisors is an integer number (6824371).

Almost surely, 2^66042150 is an apocalyptic number.

66042150 is an abundant number, since it is smaller than the sum of its proper divisors (97742754).

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

66042150 is a wasteful number, since it uses less digits than its factorization.

66042150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440296 (or 440291 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 66042150 is about 8126.6321437604. The cubic root of 66042150 is about 404.2100131826.

The spelling of 66042150 in words is "sixty-six million, forty-two thousand, one hundred fifty".