66112473 has 16 divisors (see below), whose sum is σ = 106669440. Its totient is φ = 35556096.

The previous prime is 66112463. The next prime is 66112531. The reversal of 66112473 is 37421166.

It is not a de Polignac number, because 66112473 - 2⁵ = 66112441 is a prime.

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 66112473.

It is not an unprimeable number, because it can be changed into a prime (66112433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92238 + ... + 92951.

It is an arithmetic number, because the mean of its divisors is an integer number (6666840).

Almost surely, 2^66112473 is an apocalyptic number.

It is an amenable number.

66112473 is a deficient number, since it is larger than the sum of its proper divisors (40556967).

66112473 is a wasteful number, since it uses less digits than its factorization.

66112473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185216.

The product of its digits is 6048, while the sum is 30.

The square root of 66112473 is about 8130.9576926706. The cubic root of 66112473 is about 404.3534325870.

The spelling of 66112473 in words is "sixty-six million, one hundred twelve thousand, four hundred seventy-three".