66048867 has 24 divisors (see below), whose sum is σ = 97354400. Its totient is φ = 43141248.

The previous prime is 66048841. The next prime is 66048881. The reversal of 66048867 is 76884066.

It is a happy number.

It is not a de Polignac number, because 66048867 - 2⁶ = 66048803 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66048887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150234 + ... + 150672.

Almost surely, 2^66048867 is an apocalyptic number.

66048867 is a deficient number, since it is larger than the sum of its proper divisors (31305533).

66048867 is a wasteful number, since it uses less digits than its factorization.

66048867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 66048867 is about 8127.0454040814. The cubic root of 66048867 is about 404.2237164848.

The spelling of 66048867 in words is "sixty-six million, forty-eight thousand, eight hundred sixty-seven".