66072083 has 16 divisors (see below), whose sum is σ = 84132864. Its totient is φ = 50386560.

The previous prime is 66072073. The next prime is 66072119. The reversal of 66072083 is 38027066.

66072083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66072083 - 2⁸ = 66071827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66072023) 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 15 ways as a sum of consecutive naturals, for example, 5510 + ... + 12747.

It is an arithmetic number, because the mean of its divisors is an integer number (5258304).

Almost surely, 2^66072083 is an apocalyptic number.

66072083 is a deficient number, since it is larger than the sum of its proper divisors (18060781).

66072083 is a wasteful number, since it uses less digits than its factorization.

66072083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18322.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 66072083 is about 8128.4735959465. The cubic root of 66072083 is about 404.2710721216.

The spelling of 66072083 in words is "sixty-six million, seventy-two thousand, eighty-three".